

<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLoss" xlink:href="fr-20170930.xsd#AccumulatedOtherComprehensiveLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossAdditionalInformationDetails" xlink:href="fr-20170930.xsd#AccumulatedOtherComprehensiveLossAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossAmountsReclassifiedFromAociDetails" xlink:href="fr-20170930.xsd#AccumulatedOtherComprehensiveLossAmountsReclassifiedFromAociDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossChangesInAociDetails" xlink:href="fr-20170930.xsd#AccumulatedOtherComprehensiveLossChangesInAociDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossTables" xlink:href="fr-20170930.xsd#AccumulatedOtherComprehensiveLossTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/BenefitPlans" xlink:href="fr-20170930.xsd#BenefitPlans" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/BenefitPlansAdditionalInformationDetails" xlink:href="fr-20170930.xsd#BenefitPlansAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/CommitmentsAndContingencies" xlink:href="fr-20170930.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" xlink:href="fr-20170930.xsd#CommitmentsAndContingenciesAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/ConsolidatedBalanceSheets" xlink:href="fr-20170930.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="fr-20170930.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementOfChangesInStockholdersEquityPartnersCapital" xlink:href="fr-20170930.xsd#ConsolidatedStatementOfChangesInStockholdersEquityPartnersCapital" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="fr-20170930.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="fr-20170930.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementsOfOperations" xlink:href="fr-20170930.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/Derivatives" xlink:href="fr-20170930.xsd#Derivatives" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/DerivativesAdditionalInformationDetails" xlink:href="fr-20170930.xsd#DerivativesAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/DerivativesFairValueMeasurementsOnRecurringBasisDetails" xlink:href="fr-20170930.xsd#DerivativesFairValueMeasurementsOnRecurringBasisDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/DerivativesTables" xlink:href="fr-20170930.xsd#DerivativesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/DocumentAndEntityInformation" xlink:href="fr-20170930.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpu" xlink:href="fr-20170930.xsd#EarningsPerShareUnitEpsEpu" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuAdditionalInformationDetails" xlink:href="fr-20170930.xsd#EarningsPerShareUnitEpsEpuAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuComputationOfBasicAndDilutedEpsEpuDetails" xlink:href="fr-20170930.xsd#EarningsPerShareUnitEpsEpuComputationOfBasicAndDilutedEpsEpuDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuTables" xlink:href="fr-20170930.xsd#EarningsPerShareUnitEpsEpuTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/Indebtedness" xlink:href="fr-20170930.xsd#Indebtedness" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/IndebtednessAdditionalInformationDetails" xlink:href="fr-20170930.xsd#IndebtednessAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/IndebtednessScheduleOfMaturitiesDetails" xlink:href="fr-20170930.xsd#IndebtednessScheduleOfMaturitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/IndebtednessSummaryOfIndebtednessAtEstimatedFairValueDetails" xlink:href="fr-20170930.xsd#IndebtednessSummaryOfIndebtednessAtEstimatedFairValueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/IndebtednessSummaryOfIndebtednessDetails" xlink:href="fr-20170930.xsd#IndebtednessSummaryOfIndebtednessDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/IndebtednessTables" xlink:href="fr-20170930.xsd#IndebtednessTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstate" xlink:href="fr-20170930.xsd#InvestmentInRealEstate" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateAdditionalInformationDetails" xlink:href="fr-20170930.xsd#InvestmentInRealEstateAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateInvestmentInRealEstateSummaryOfPurchasePriceAllocationDetails" xlink:href="fr-20170930.xsd#InvestmentInRealEstateInvestmentInRealEstateSummaryOfPurchasePriceAllocationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateInvestmentInRealEstateTables" xlink:href="fr-20170930.xsd#InvestmentInRealEstateInvestmentInRealEstateTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/Organization" xlink:href="fr-20170930.xsd#Organization" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/OrganizationAdditionalInformationDetails" xlink:href="fr-20170930.xsd#OrganizationAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/RelatedPartyTransactionsRelatedPartyTransactions" xlink:href="fr-20170930.xsd#RelatedPartyTransactionsRelatedPartyTransactions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/RelatedPartyTransactionsRelatedPartyTransactionsAdditionalInformationDetails" xlink:href="fr-20170930.xsd#RelatedPartyTransactionsRelatedPartyTransactionsAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnership" xlink:href="fr-20170930.xsd#StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnership" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipAdditionalInformationDetails" xlink:href="fr-20170930.xsd#StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipSummaryOfChangesInNoncontrollingInterestDetails" xlink:href="fr-20170930.xsd#StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipSummaryOfChangesInNoncontrollingInterestDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipTables" xlink:href="fr-20170930.xsd#StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/SubsequentEvents" xlink:href="fr-20170930.xsd#SubsequentEvents" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/SubsequentEventsAdditionalInformationDetails" xlink:href="fr-20170930.xsd#SubsequentEventsAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="fr-20170930.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="fr-20170930.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/VariableInterestEntities" xlink:href="fr-20170930.xsd#VariableInterestEntities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/VariableInterestEntitiesSummarizedBalanceSheetDetails" xlink:href="fr-20170930.xsd#VariableInterestEntitiesSummarizedBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.firstindustrial.com/role/VariableInterestEntitiesTables" xlink:href="fr-20170930.xsd#VariableInterestEntitiesTables" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLoss" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossAdditionalInformationDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossAmountsReclassifiedFromAociDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_29DE3980424B1B2277CE5E41F5C69C04" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_6B18334AD74E7FD5437A5E41F5C50253" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_29DE3980424B1B2277CE5E41F5C69C04" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_6B18334AD74E7FD5437A5E41F5C50253" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_004BD5A4CA77D07025AD5E41F5C53782" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_6B18334AD74E7FD5437A5E41F5C50253" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_004BD5A4CA77D07025AD5E41F5C53782" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_4C90D29D5288BD58C2B15E41F5C56354_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_004BD5A4CA77D07025AD5E41F5C53782" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_4C90D29D5288BD58C2B15E41F5C56354_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_4C90D29D5288BD58C2B15E41F5C56354" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_004BD5A4CA77D07025AD5E41F5C53782" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_4C90D29D5288BD58C2B15E41F5C56354" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_A3D5860EBDCCB44F0D6F5E41F5C6336B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_4C90D29D5288BD58C2B15E41F5C56354" xlink:to="loc_us-gaap_InterestRateSwapMember_A3D5860EBDCCB44F0D6F5E41F5C6336B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E15624AB0AD05F4B60C15E41F5C6E821" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_6B18334AD74E7FD5437A5E41F5C50253" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E15624AB0AD05F4B60C15E41F5C6E821" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_A07719485E710D2A40795E41F5C6883D_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E15624AB0AD05F4B60C15E41F5C6E821" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_A07719485E710D2A40795E41F5C6883D_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_A07719485E710D2A40795E41F5C6883D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E15624AB0AD05F4B60C15E41F5C6E821" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_A07719485E710D2A40795E41F5C6883D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_FF45A0313DC901F31A7E5E41F5C608D7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_A07719485E710D2A40795E41F5C6883D" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_FF45A0313DC901F31A7E5E41F5C608D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_ADAC107B732EFE4AA1E65E41F5C611DD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_6B18334AD74E7FD5437A5E41F5C50253" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_ADAC107B732EFE4AA1E65E41F5C611DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_148F2EE521F37BE39C445E41F5C6D8CE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ADAC107B732EFE4AA1E65E41F5C611DD" xlink:to="loc_us-gaap_EquityComponentDomain_148F2EE521F37BE39C445E41F5C6D8CE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_148F2EE521F37BE39C445E41F5C6D8CE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ADAC107B732EFE4AA1E65E41F5C611DD" xlink:to="loc_us-gaap_EquityComponentDomain_148F2EE521F37BE39C445E41F5C6D8CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_D15EB2DDBC6FC6B6B1335E41F5C680FB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_148F2EE521F37BE39C445E41F5C6D8CE" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_D15EB2DDBC6FC6B6B1335E41F5C680FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_08101F87499C51FEED985E41F5C70C9F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_29DE3980424B1B2277CE5E41F5C69C04" xlink:to="loc_us-gaap_InterestExpense_08101F87499C51FEED985E41F5C70C9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpenseOther" xlink:label="loc_us-gaap_InterestExpenseOther_4FDA583F71A555C6A0565E41F5C71706" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_29DE3980424B1B2277CE5E41F5C69C04" xlink:to="loc_us-gaap_InterestExpenseOther_4FDA583F71A555C6A0565E41F5C71706" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_A2B986C5237B66BCD8FA5E41F5C7EBA3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_29DE3980424B1B2277CE5E41F5C69C04" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_A2B986C5237B66BCD8FA5E41F5C7EBA3" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossChangesInAociDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_DF923BBAB5C0F5B1BAC62F4231A00441" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_FB00C9D6DBAF17CFF5682F4231A0A2D2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_DF923BBAB5C0F5B1BAC62F4231A00441" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_FB00C9D6DBAF17CFF5682F4231A0A2D2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_73ED6F6083E19FCCFEAC2F4231A0CCE3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_FB00C9D6DBAF17CFF5682F4231A0A2D2" xlink:to="loc_dei_LegalEntityAxis_73ED6F6083E19FCCFEAC2F4231A0CCE3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_77A1E4054564191470E82F4231A07908_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_73ED6F6083E19FCCFEAC2F4231A0CCE3" xlink:to="loc_dei_EntityDomain_77A1E4054564191470E82F4231A07908_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_77A1E4054564191470E82F4231A07908" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_73ED6F6083E19FCCFEAC2F4231A0CCE3" xlink:to="loc_dei_EntityDomain_77A1E4054564191470E82F4231A07908" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_EBEE541CA898C36342BE2F4231A05B5F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_77A1E4054564191470E82F4231A07908" xlink:to="loc_fr_FirstIndustrialLPMember_EBEE541CA898C36342BE2F4231A05B5F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_ACAB023DF3DA334C51CC2F4231A0F589" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_FB00C9D6DBAF17CFF5682F4231A0A2D2" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_ACAB023DF3DA334C51CC2F4231A0F589" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_52125979D257E7653B3A2F4231A05828_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ACAB023DF3DA334C51CC2F4231A0F589" xlink:to="loc_us-gaap_EquityComponentDomain_52125979D257E7653B3A2F4231A05828_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_52125979D257E7653B3A2F4231A05828" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ACAB023DF3DA334C51CC2F4231A0F589" xlink:to="loc_us-gaap_EquityComponentDomain_52125979D257E7653B3A2F4231A05828" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_51D79A5BD6BA3F2DB8D52F4231A0F4A1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_52125979D257E7653B3A2F4231A05828" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_51D79A5BD6BA3F2DB8D52F4231A0F4A1" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_AccumulatedOtherComprehensiveIncomeLossAttributableToNoncontrollingInterestMember" xlink:label="loc_fr_AccumulatedOtherComprehensiveIncomeLossAttributableToNoncontrollingInterestMember_F25CCD53896B49FB31C22F4231A004C2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_52125979D257E7653B3A2F4231A05828" xlink:to="loc_fr_AccumulatedOtherComprehensiveIncomeLossAttributableToNoncontrollingInterestMember_F25CCD53896B49FB31C22F4231A004C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_FBD01EAA3522E30AE3702F4231A0CA75" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_DF923BBAB5C0F5B1BAC62F4231A00441" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_FBD01EAA3522E30AE3702F4231A0CA75" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_8B2583A5374147E3C0E22F4231A06AB2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_DF923BBAB5C0F5B1BAC62F4231A00441" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_8B2583A5374147E3C0E22F4231A06AB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_73917F180B407503CD0C2F4231A1431A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_DF923BBAB5C0F5B1BAC62F4231A00441" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_73917F180B407503CD0C2F4231A1431A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1463A75ECBCED953E3732F4231A189C6" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_DF923BBAB5C0F5B1BAC62F4231A00441" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1463A75ECBCED953E3732F4231A189C6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveLossTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/BenefitPlans" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/BenefitPlansAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D84834A8B61FB4D5C1302F42316E83A0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D84834A8B61FB4D5C1302F42316E83A0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_3C92EBC2A3D70CF1DAEC2F42316EA4DF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D84834A8B61FB4D5C1302F42316E83A0" xlink:to="loc_us-gaap_TitleOfIndividualAxis_3C92EBC2A3D70CF1DAEC2F42316EA4DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_84B0A6452E2027B809002F42316EFC27_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TitleOfIndividualAxis_3C92EBC2A3D70CF1DAEC2F42316EA4DF" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_84B0A6452E2027B809002F42316EFC27_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_84B0A6452E2027B809002F42316EFC27" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TitleOfIndividualAxis_3C92EBC2A3D70CF1DAEC2F42316EA4DF" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_84B0A6452E2027B809002F42316EFC27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ManagementMember" xlink:label="loc_us-gaap_ManagementMember_C29BCD43972A4D5C02EE2F42316E1310" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_84B0A6452E2027B809002F42316EFC27" xlink:to="loc_us-gaap_ManagementMember_C29BCD43972A4D5C02EE2F42316E1310" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectorMember" xlink:label="loc_us-gaap_DirectorMember_F187069AC20214E4131A2F42316EC4E0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_84B0A6452E2027B809002F42316EFC27" xlink:to="loc_us-gaap_DirectorMember_F187069AC20214E4131A2F42316EC4E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_58CCB9D064BAF6F12ADE2F42316FE0AC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D84834A8B61FB4D5C1302F42316E83A0" xlink:to="loc_us-gaap_AwardTypeAxis_58CCB9D064BAF6F12ADE2F42316FE0AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C03C8D418BCD4355EF8B2F42316FBA68_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_58CCB9D064BAF6F12ADE2F42316FE0AC" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C03C8D418BCD4355EF8B2F42316FBA68_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C03C8D418BCD4355EF8B2F42316FBA68" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_58CCB9D064BAF6F12ADE2F42316FE0AC" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C03C8D418BCD4355EF8B2F42316FBA68" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_BEEDCBF3A3537307F27F2F42316F552E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C03C8D418BCD4355EF8B2F42316FBA68" xlink:to="loc_us-gaap_RestrictedStockMember_BEEDCBF3A3537307F27F2F42316F552E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_C4C1B78B12BA323574A32F42316F4C9E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C03C8D418BCD4355EF8B2F42316FBA68" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_C4C1B78B12BA323574A32F42316F4C9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_D7F7184C5F074B06A82E2F42316F147B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D84834A8B61FB4D5C1302F42316E83A0" xlink:to="loc_us-gaap_RangeAxis_D7F7184C5F074B06A82E2F42316F147B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_6979C73A2F0F368A0F0C2F42316FCF83_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_D7F7184C5F074B06A82E2F42316F147B" xlink:to="loc_us-gaap_RangeMember_6979C73A2F0F368A0F0C2F42316FCF83_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_6979C73A2F0F368A0F0C2F42316FCF83" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_D7F7184C5F074B06A82E2F42316F147B" xlink:to="loc_us-gaap_RangeMember_6979C73A2F0F368A0F0C2F42316FCF83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_7AE9C6A6699458C84E112F42316FDB88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_6979C73A2F0F368A0F0C2F42316FCF83" xlink:to="loc_us-gaap_MinimumMember_7AE9C6A6699458C84E112F42316FDB88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_E9073027A0A883E4BB2C2F42316F8015" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_6979C73A2F0F368A0F0C2F42316FCF83" xlink:to="loc_us-gaap_MaximumMember_E9073027A0A883E4BB2C2F42316F8015" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_45B8D9F570F9A48E7BFB2F42316F02DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_45B8D9F570F9A48E7BFB2F42316F02DB" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantDateFairValue" xlink:label="loc_fr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantDateFairValue_0A0C2CEAD337067B4CD02F42316F5EFC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_fr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantDateFairValue_0A0C2CEAD337067B4CD02F42316F5EFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_1BF07A57709D54FE0E952F42316F2303" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_1BF07A57709D54FE0E952F42316F2303" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_A5657AD0B5126FF1EB052F42316F8AA4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_A5657AD0B5126FF1EB052F42316F8AA4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1DC3DFCC53E4E194D5FE2F42316F19FF" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1DC3DFCC53E4E194D5FE2F42316F19FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_7ACBD14A37F575FA23BB2F42316FBD30" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_7ACBD14A37F575FA23BB2F42316FBD30" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_22B12A5D36E1ED12DB052F42316FA80B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_22B12A5D36E1ED12DB052F42316FA80B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_26252A40C27647A9A3B62F42316F235E" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_815B6C8778C34F491F762F42316FF76C" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_26252A40C27647A9A3B62F42316F235E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCommitmentsTable" xlink:label="loc_us-gaap_OtherCommitmentsTable_E7B5B47F5CA9718DA4F495AA3072BA93" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:to="loc_us-gaap_OtherCommitmentsTable_E7B5B47F5CA9718DA4F495AA3072BA93" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCommitmentsAxis" xlink:label="loc_us-gaap_OtherCommitmentsAxis_C9E025478FB05302E79C95AA30723D73" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_E7B5B47F5CA9718DA4F495AA3072BA93" xlink:to="loc_us-gaap_OtherCommitmentsAxis_C9E025478FB05302E79C95AA30723D73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCommitmentsDomain" xlink:label="loc_us-gaap_OtherCommitmentsDomain_DC66F4CEAC963748426D95AA3072B5A6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_OtherCommitmentsAxis_C9E025478FB05302E79C95AA30723D73" xlink:to="loc_us-gaap_OtherCommitmentsDomain_DC66F4CEAC963748426D95AA3072B5A6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCommitmentsDomain" xlink:label="loc_us-gaap_OtherCommitmentsDomain_DC66F4CEAC963748426D95AA3072B5A6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_OtherCommitmentsAxis_C9E025478FB05302E79C95AA30723D73" xlink:to="loc_us-gaap_OtherCommitmentsDomain_DC66F4CEAC963748426D95AA3072B5A6" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_DevelopmentActivityMember" xlink:label="loc_fr_DevelopmentActivityMember_408F6544FF9C64AACD7695AA3072F450" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsDomain_DC66F4CEAC963748426D95AA3072B5A6" xlink:to="loc_fr_DevelopmentActivityMember_408F6544FF9C64AACD7695AA3072F450" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_A2016FireMember" xlink:label="loc_fr_A2016FireMember_35014F3AC26B79B5DDAE95AA30728920" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsDomain_DC66F4CEAC963748426D95AA3072B5A6" xlink:to="loc_fr_A2016FireMember_35014F3AC26B79B5DDAE95AA30728920" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_A2017FireMember" xlink:label="loc_fr_A2017FireMember_C94A4981B6E73AF7408395AA307206A7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsDomain_DC66F4CEAC963748426D95AA3072B5A6" xlink:to="loc_fr_A2017FireMember_C94A4981B6E73AF7408395AA307206A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfRealEstateProperties" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_8ECB1DE5F0A6D60FAB0295AA3072FC1B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_8ECB1DE5F0A6D60FAB0295AA3072FC1B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AreaOfRealEstateProperty" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_F9D1F2D88843AD5CAB0995AA30726175" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_F9D1F2D88843AD5CAB0995AA30726175" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_EstimatedTotalInvestment" xlink:label="loc_fr_EstimatedTotalInvestment_FC8AA7F224D100B9040395AA30727B7E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:to="loc_fr_EstimatedTotalInvestment_FC8AA7F224D100B9040395AA30727B7E" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_EstimatedTotalInvestmentRemainingToBeFunded" xlink:label="loc_fr_EstimatedTotalInvestmentRemainingToBeFunded_54416E26C271F5C6D2C195AA30727E06" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:to="loc_fr_EstimatedTotalInvestmentRemainingToBeFunded_54416E26C271F5C6D2C195AA30727E06" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InsuranceDeductible" xlink:label="loc_fr_InsuranceDeductible_0C8951262CBD38ACE3C195AA3072EE0B" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:to="loc_fr_InsuranceDeductible_0C8951262CBD38ACE3C195AA3072EE0B" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_Writeoffofunamortizednetbookvalue" xlink:label="loc_fr_Writeoffofunamortizednetbookvalue_A86B9C823BB01B68ED6695AA30722B64" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F9DEA1125A29110F786C95AA3072D6FF" xlink:to="loc_fr_Writeoffofunamortizednetbookvalue_A86B9C823BB01B68ED6695AA30722B64" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_42CA9CA121CA1940460630CA55A68D3C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_9C9C5AF9A3019EB7B03D30CA55A68B15" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_42CA9CA121CA1940460630CA55A68D3C" xlink:to="loc_us-gaap_StatementTable_9C9C5AF9A3019EB7B03D30CA55A68B15" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_66CCEB41799EB223016C30CA55A635C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_9C9C5AF9A3019EB7B03D30CA55A68B15" xlink:to="loc_dei_LegalEntityAxis_66CCEB41799EB223016C30CA55A635C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_156A5E61867569BC6FC230CA55A60ED8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_66CCEB41799EB223016C30CA55A635C9" xlink:to="loc_dei_EntityDomain_156A5E61867569BC6FC230CA55A60ED8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_156A5E61867569BC6FC230CA55A60ED8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_66CCEB41799EB223016C30CA55A635C9" xlink:to="loc_dei_EntityDomain_156A5E61867569BC6FC230CA55A60ED8" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_81545E1509D3879E31AF30CA55A61648" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_156A5E61867569BC6FC230CA55A60ED8" xlink:to="loc_fr_FirstIndustrialLPMember_81545E1509D3879E31AF30CA55A61648" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42CA9CA121CA1940460630CA55A68D3C" xlink:to="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNetAbstract" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_4E4B0788B28D5C34A37430CA55A6C2E7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_4E4B0788B28D5C34A37430CA55A6C2E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_1F7B3993F8C68A4C043730CA55A655FB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_4E4B0788B28D5C34A37430CA55A6C2E7" xlink:to="loc_us-gaap_Land_1F7B3993F8C68A4C043730CA55A655FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentBuildingAndBuildingImprovements" xlink:label="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_428CBEC509FA2030017230CA55A661D1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_4E4B0788B28D5C34A37430CA55A6C2E7" xlink:to="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_428CBEC509FA2030017230CA55A661D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DevelopmentInProcess" xlink:label="loc_us-gaap_DevelopmentInProcess_7B320A3D241A714162F730CA55A65BB2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_4E4B0788B28D5C34A37430CA55A6C2E7" xlink:to="loc_us-gaap_DevelopmentInProcess_7B320A3D241A714162F730CA55A65BB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_8FD277213074CF07FE8030CA55A635DC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_4E4B0788B28D5C34A37430CA55A6C2E7" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_8FD277213074CF07FE8030CA55A635DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_3A2AE6BC5E0FEA34568830CA55A6001A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_4E4B0788B28D5C34A37430CA55A6C2E7" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_3A2AE6BC5E0FEA34568830CA55A6001A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateHeldforsale" xlink:label="loc_us-gaap_RealEstateHeldforsale_52DB1ABD71BD426999D830CA55A6E76E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_RealEstateHeldforsale_52DB1ABD71BD426999D830CA55A6E76E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_BBB391631DF6B1003CBE30CA55A651C7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_BBB391631DF6B1003CBE30CA55A651C7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_E5B117F718EAEDCF849C30CA55A692B8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_E5B117F718EAEDCF849C30CA55A692B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:label="loc_us-gaap_AccountsReceivableNet_A74524DF9163BD5E755730CA55A64F2E" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_AccountsReceivableNet_A74524DF9163BD5E755730CA55A64F2E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRentReceivablesNet" xlink:label="loc_us-gaap_DeferredRentReceivablesNet_5F51CEC301F59F21A3C730CA55A6FC77" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_DeferredRentReceivablesNet_5F51CEC301F59F21A3C730CA55A6FC77" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_F572D76C46E8A87C716130CA55A6E479" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_F572D76C46E8A87C716130CA55A6E479" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssets_F41B299E5D8605E5896830CA55A6C49A" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssets_F41B299E5D8605E5896830CA55A6C49A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_7AC4829B966FC084760730CA55A6C37A" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2D88662BAAC4C473B5F930CA55A63E57" xlink:to="loc_us-gaap_Assets_7AC4829B966FC084760730CA55A6C37A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9973BA8A3477D9B2193A30CA55A6B1FF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42CA9CA121CA1940460630CA55A68D3C" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9973BA8A3477D9B2193A30CA55A6B1FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_4F35E2E1A19A92329BA030CA55A6EBF9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9973BA8A3477D9B2193A30CA55A6B1FF" xlink:to="loc_us-gaap_LiabilitiesAbstract_4F35E2E1A19A92329BA030CA55A6EBF9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_4F35E2E1A19A92329BA030CA55A6EBF9" xlink:to="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_D36E7F61D2EE3F189C5230CA55A6C3A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_SecuredDebt_D36E7F61D2EE3F189C5230CA55A6C3A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnsecuredDebt" xlink:label="loc_us-gaap_UnsecuredDebt_884D85E3DA41B54AE5D030CA55A6EF8E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_UnsecuredDebt_884D85E3DA41B54AE5D030CA55A6EF8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:label="loc_us-gaap_OtherLongTermDebt_48B1EAEBF02546A9115530CA55A6A2E9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_OtherLongTermDebt_48B1EAEBF02546A9115530CA55A6A2E9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_364A349AACD905FFB9ED30CA55A648BE" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_LineOfCredit_364A349AACD905FFB9ED30CA55A648BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_4B0300D6B09023065F1830CA55A62847" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_4B0300D6B09023065F1830CA55A62847" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OffMarketLeaseUnfavorable" xlink:label="loc_us-gaap_OffMarketLeaseUnfavorable_40DD4F2F3E966930C76230CA55A61916" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_OffMarketLeaseUnfavorable_40DD4F2F3E966930C76230CA55A61916" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustomerAdvancesAndDeposits" xlink:label="loc_us-gaap_CustomerAdvancesAndDeposits_8A850D99E93EF3D54E3830CA55A6395D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_CustomerAdvancesAndDeposits_8A850D99E93EF3D54E3830CA55A6395D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_FBF3B628ACFF81669A5030CA55A62F5F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAbstract_D0AF4C6B857F17B7E28630CA55A69BBC" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_FBF3B628ACFF81669A5030CA55A62F5F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_ABF3B03F6C4E399220BC30CA55A62B45" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_4F35E2E1A19A92329BA030CA55A6EBF9" xlink:to="loc_us-gaap_Liabilities_ABF3B03F6C4E399220BC30CA55A62B45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_5EED25FFAE32224AF00D30CA55A648DD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9973BA8A3477D9B2193A30CA55A6B1FF" xlink:to="loc_us-gaap_CommitmentsAndContingencies_5EED25FFAE32224AF00D30CA55A648DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_C3D5B02E85574A545EA730CA55A6229B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9973BA8A3477D9B2193A30CA55A6B1FF" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_C3D5B02E85574A545EA730CA55A6229B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_C3D5B02E85574A545EA730CA55A6229B" xlink:to="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_BB0BD441ACA768D6AEB930CA55A61972" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_CommonStockValue_BB0BD441ACA768D6AEB930CA55A61972" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_D266F46A5B244D63A4D930CA55A67D7D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_AdditionalPaidInCapital_D266F46A5B244D63A4D930CA55A67D7D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="loc_us-gaap_GeneralPartnersCapitalAccount_BF7D89AA6714B711944A30CA55A690F0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_GeneralPartnersCapitalAccount_BF7D89AA6714B711944A30CA55A690F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedPartnersCapitalAccount" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccount_BF5C956F34F2CDB1FB4E30CA55A6B883" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccount_BF5C956F34F2CDB1FB4E30CA55A6B883" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDistributionsInExcessOfNetIncome" xlink:label="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_F4A737706510DC2B867330CA55A64735" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_F4A737706510DC2B867330CA55A64735" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5FA61858553E3041239C30CA55A65D82" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5FA61858553E3041239C30CA55A65D82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapital" xlink:label="loc_us-gaap_PartnersCapital_283907B5448D2A42005430CA55A6341E" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_PartnersCapital_283907B5448D2A42005430CA55A6341E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_EFF31B3F41FC5DC8420C30CA55A6D165" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_StockholdersEquity_EFF31B3F41FC5DC8420C30CA55A6D165" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_4E305890BBEE1ED417F030CA55A6D0A4" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_MinorityInterest_4E305890BBEE1ED417F030CA55A6D0A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_C7BE1B9BBCCCFB867B6C30CA55A602BC" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_C7BE1B9BBCCCFB867B6C30CA55A602BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_34D6D3D04A007458C2B430CA55A67EA7" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_34D6D3D04A007458C2B430CA55A67EA7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_6DCE240CB8310CBD2FF930CA55A6C13D" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_4E70C3AE63469F165DB130CA55A62333" xlink:to="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_6DCE240CB8310CBD2FF930CA55A6C13D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_74D1EC0DD925AD51982E30CA55A6E014" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9973BA8A3477D9B2193A30CA55A6B1FF" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_74D1EC0DD925AD51982E30CA55A6E014" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_1835789E57C9F81710582F42317537A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_StatementTable_1835789E57C9F81710582F42317537A9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_BAAE1E8AE66AF1D1F8912F423175372A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1835789E57C9F81710582F42317537A9" xlink:to="loc_dei_LegalEntityAxis_BAAE1E8AE66AF1D1F8912F423175372A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_DC624CBD003BED8CA0A12F42317512D9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_BAAE1E8AE66AF1D1F8912F423175372A" xlink:to="loc_dei_EntityDomain_DC624CBD003BED8CA0A12F42317512D9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_DC624CBD003BED8CA0A12F42317512D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_BAAE1E8AE66AF1D1F8912F423175372A" xlink:to="loc_dei_EntityDomain_DC624CBD003BED8CA0A12F42317512D9" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_E2708417472CF0D93F0D2F423175316C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_DC624CBD003BED8CA0A12F42317512D9" xlink:to="loc_fr_FirstIndustrialLPMember_E2708417472CF0D93F0D2F423175316C" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_OtherRealEstatePartnershipMember" xlink:label="loc_fr_OtherRealEstatePartnershipMember_E89DADC70A6944DC4D4C2F4231755EAB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_DC624CBD003BED8CA0A12F42317512D9" xlink:to="loc_fr_OtherRealEstatePartnershipMember_E89DADC70A6944DC4D4C2F4231755EAB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_8D2523EDE12FE2E3DBD52F423175F412" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_8D2523EDE12FE2E3DBD52F423175F412" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_RealEstateHeldForSaleAccumulatedDepreciationAndAmortization" xlink:label="loc_fr_RealEstateHeldForSaleAccumulatedDepreciationAndAmortization_048022B4DC690660C1382F4231755237" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_fr_RealEstateHeldForSaleAccumulatedDepreciationAndAmortization_048022B4DC690660C1382F4231755237" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_F827E3E9C1AF850C3B6A2F423176FD0A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_SecuredDebt_F827E3E9C1AF850C3B6A2F423176FD0A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_7A9F9B4CD4ED13553E842F42317651CA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_7A9F9B4CD4ED13553E842F42317651CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_9AD935FB5D5FBE79BD512F423176DE27" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_9AD935FB5D5FBE79BD512F423176DE27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_16413E76A9CB85078FD52F423176773D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_CommonStockSharesIssued_16413E76A9CB85078FD52F423176773D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_64D0F175AFA03A84DCD62F4231766C4B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_64D0F175AFA03A84DCD62F4231766C4B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" xlink:label="loc_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_57B1E59BEB0B53D7529D2F423176ADBA" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_57B1E59BEB0B53D7529D2F423176ADBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_57A8F82FAC119A599A972F4231761695" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_16AFE7023710CABD4F5D2F4231752342" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_57A8F82FAC119A599A972F4231761695" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/ConsolidatedStatementOfChangesInStockholdersEquityPartnersCapital" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_5FE66FBFF364CAB0F8154A90DF6B1FA1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_ADEDE4272F45F97F757F4A90DF6B6F28" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5FE66FBFF364CAB0F8154A90DF6B1FA1" xlink:to="loc_us-gaap_StatementTable_ADEDE4272F45F97F757F4A90DF6B6F28" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_424632D12718315A34254A90DF6B8134" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_ADEDE4272F45F97F757F4A90DF6B6F28" xlink:to="loc_dei_LegalEntityAxis_424632D12718315A34254A90DF6B8134" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_6933AF713649CA3913534A90DF6BA55E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_424632D12718315A34254A90DF6B8134" xlink:to="loc_dei_EntityDomain_6933AF713649CA3913534A90DF6BA55E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_6933AF713649CA3913534A90DF6BA55E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_424632D12718315A34254A90DF6B8134" xlink:to="loc_dei_EntityDomain_6933AF713649CA3913534A90DF6BA55E" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_071028D756B6E18EADD34A90DF6B0BE8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_6933AF713649CA3913534A90DF6BA55E" xlink:to="loc_fr_FirstIndustrialLPMember_071028D756B6E18EADD34A90DF6B0BE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_3189E4D87CFD8B2074094A90DF6BB774" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_ADEDE4272F45F97F757F4A90DF6B6F28" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_3189E4D87CFD8B2074094A90DF6BB774" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3189E4D87CFD8B2074094A90DF6BB774" xlink:to="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3189E4D87CFD8B2074094A90DF6BB774" xlink:to="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_6BB6F40D14143BE0C4F74A90DF6B94D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E" xlink:to="loc_us-gaap_CommonStockMember_6BB6F40D14143BE0C4F74A90DF6B94D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_FCAF14C6FC7CF8406C244A90DF6B81EE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_FCAF14C6FC7CF8406C244A90DF6B81EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember" xlink:label="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_05ADE997A4CEE87F57714A90DF6BAF7D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E" xlink:to="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_05ADE997A4CEE87F57714A90DF6BAF7D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_DDFF0C6142A5AEA6A7294A90DF6B6392" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_DDFF0C6142A5AEA6A7294A90DF6B6392" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_3C8BCCB6EF1DD59F4D404A90DF6BDF5A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_81738E44E36105A2C5EB4A90DF6B7D6E" xlink:to="loc_us-gaap_NoncontrollingInterestMember_3C8BCCB6EF1DD59F4D404A90DF6BDF5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_850F17CD34F5DE0D9C454A90DF6B5A7C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_ADEDE4272F45F97F757F4A90DF6B6F28" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_850F17CD34F5DE0D9C454A90DF6B5A7C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_850F17CD34F5DE0D9C454A90DF6B5A7C" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_850F17CD34F5DE0D9C454A90DF6B5A7C" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralPartnerMember" xlink:label="loc_us-gaap_GeneralPartnerMember_0B3D270AE30B898C08934A90DF6B2FDC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3" xlink:to="loc_us-gaap_GeneralPartnerMember_0B3D270AE30B898C08934A90DF6B2FDC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="loc_us-gaap_LimitedPartnerMember_5A3D5BD759B733EC3F604A90DF6B2311" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3" xlink:to="loc_us-gaap_LimitedPartnerMember_5A3D5BD759B733EC3F604A90DF6B2311" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_3A2A96B28B4DEE22619D4A90DF6B29F4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_3A2A96B28B4DEE22619D4A90DF6B29F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_4429AF2F0E512E19CBC44A90DF6B0412" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_3034709460E81A19C9514A90DF6B4CF3" xlink:to="loc_us-gaap_NoncontrollingInterestMember_4429AF2F0E512E19CBC44A90DF6B0412" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5FE66FBFF364CAB0F8154A90DF6B1FA1" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F876AD38DDB43DEE9B5B4A90DF6B4797" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F876AD38DDB43DEE9B5B4A90DF6B4797" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_A7F366AC422BB258EDF34A90DF6B3B7D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_A7F366AC422BB258EDF34A90DF6B3B7D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_B12FEC44FB88132A25D54A90DF6B1FB4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_B12FEC44FB88132A25D54A90DF6B1FB4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_259E9400661E1DAC21554A90DF6B6B0F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_259E9400661E1DAC21554A90DF6B6B0F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalAccountUnitBasedCompensation" xlink:label="loc_us-gaap_PartnersCapitalAccountUnitBasedCompensation_3B8D2B3671A28232F05F4A90DF6BE264" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_PartnersCapitalAccountUnitBasedCompensation_3B8D2B3671A28232F05F4A90DF6BE264" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_D449C8854A920523E3704A90DF6B001B" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_D449C8854A920523E3704A90DF6B001B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_AECDD555D0540237D9D54A90DF6BCB2A" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_AECDD555D0540237D9D54A90DF6BCB2A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_F354B26AD87768B54C1A4A90DF6B6BB4" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_DividendsCommonStockCash_F354B26AD87768B54C1A4A90DF6B6BB4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalAccountDistributions" xlink:label="loc_us-gaap_PartnersCapitalAccountDistributions_C38FB87FAB0CDD6948A94A90DF6BBE35" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_PartnersCapitalAccountDistributions_C38FB87FAB0CDD6948A94A90DF6BBE35" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalAccountContributions" xlink:label="loc_us-gaap_PartnersCapitalAccountContributions_A8BCDC0B81F3CC353B574A90DF6B2483" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_PartnersCapitalAccountContributions_A8BCDC0B81F3CC353B574A90DF6B2483" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_DF0D471A93978C0DE15B4A90DF6B47B2" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_DF0D471A93978C0DE15B4A90DF6B47B2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_9060FF83DD7C2F738DB54A90DF6BF2C5" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_ProfitLoss_9060FF83DD7C2F738DB54A90DF6BF2C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_B76ECF0A238887B741DB4A90DF6B2387" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_B76ECF0A238887B741DB4A90DF6B2387" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_072AC83C26A89345D83D4A90DF6B237A" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A0F0E70F8F62909A67A4A90DF6B37CE" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_072AC83C26A89345D83D4A90DF6B237A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_53FC3363752EDBD1E0275A326CF41039" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_StatementTable_53FC3363752EDBD1E0275A326CF41039" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_28ED8FE4A930DBA108E35A326CF47D89" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_53FC3363752EDBD1E0275A326CF41039" xlink:to="loc_dei_LegalEntityAxis_28ED8FE4A930DBA108E35A326CF47D89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_4363FD501840E8EB9C765A326CF45D02_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_28ED8FE4A930DBA108E35A326CF47D89" xlink:to="loc_dei_EntityDomain_4363FD501840E8EB9C765A326CF45D02_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_4363FD501840E8EB9C765A326CF45D02" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_28ED8FE4A930DBA108E35A326CF47D89" xlink:to="loc_dei_EntityDomain_4363FD501840E8EB9C765A326CF45D02" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_B61CB35B1D0D2D0B28525A326CF4D207" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_4363FD501840E8EB9C765A326CF45D02" xlink:to="loc_fr_FirstIndustrialLPMember_B61CB35B1D0D2D0B28525A326CF4D207" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_9C7430BDDE2440C5618C5A326CF4FA25" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_53FC3363752EDBD1E0275A326CF41039" xlink:to="loc_us-gaap_StatementClassOfStockAxis_9C7430BDDE2440C5618C5A326CF4FA25" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_75EBDE3F68054B6FF43F5A326CF42620_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9C7430BDDE2440C5618C5A326CF4FA25" xlink:to="loc_us-gaap_ClassOfStockDomain_75EBDE3F68054B6FF43F5A326CF42620_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_75EBDE3F68054B6FF43F5A326CF42620" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9C7430BDDE2440C5618C5A326CF4FA25" xlink:to="loc_us-gaap_ClassOfStockDomain_75EBDE3F68054B6FF43F5A326CF42620" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_4165F02AD68176524BF05A326CF4B38D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_75EBDE3F68054B6FF43F5A326CF42620" xlink:to="loc_us-gaap_CommonStockMember_4165F02AD68176524BF05A326CF4B38D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_4EA6FEFF61E54717FAD75A326CF41F7A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_53FC3363752EDBD1E0275A326CF41039" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_4EA6FEFF61E54717FAD75A326CF41F7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_AFF0AF22E2DDD79B4A5C5A326CF48C97_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4EA6FEFF61E54717FAD75A326CF41F7A" xlink:to="loc_us-gaap_EquityComponentDomain_AFF0AF22E2DDD79B4A5C5A326CF48C97_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_AFF0AF22E2DDD79B4A5C5A326CF48C97" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4EA6FEFF61E54717FAD75A326CF41F7A" xlink:to="loc_us-gaap_EquityComponentDomain_AFF0AF22E2DDD79B4A5C5A326CF48C97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_CE726657B6554E32C34E5A326CF42443" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_AFF0AF22E2DDD79B4A5C5A326CF48C97" xlink:to="loc_us-gaap_NoncontrollingInterestMember_CE726657B6554E32C34E5A326CF42443" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_728EA3C78853CC7532E45A326CF48B4B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_AFF0AF22E2DDD79B4A5C5A326CF48C97" xlink:to="loc_us-gaap_CommonStockMember_728EA3C78853CC7532E45A326CF48B4B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_FFB2303273807D3B538B5A326CF4BFA1" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_AFF0AF22E2DDD79B4A5C5A326CF48C97" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_FFB2303273807D3B538B5A326CF4BFA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_6A2054BCDC2ED5AD511B5A326CF4BF14" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_53FC3363752EDBD1E0275A326CF41039" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_6A2054BCDC2ED5AD511B5A326CF4BF14" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_069D4147B58C8DEE264E5A326CF404F7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_6A2054BCDC2ED5AD511B5A326CF4BF14" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_069D4147B58C8DEE264E5A326CF404F7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_069D4147B58C8DEE264E5A326CF404F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_6A2054BCDC2ED5AD511B5A326CF4BF14" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_069D4147B58C8DEE264E5A326CF404F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="loc_us-gaap_LimitedPartnerMember_766D7F7D66CA516040045A326CF5C527" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_069D4147B58C8DEE264E5A326CF404F7" xlink:to="loc_us-gaap_LimitedPartnerMember_766D7F7D66CA516040045A326CF5C527" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralPartnerMember" xlink:label="loc_us-gaap_GeneralPartnerMember_2DC633782296DAFC2BB65A326CF5109E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_069D4147B58C8DEE264E5A326CF404F7" xlink:to="loc_us-gaap_GeneralPartnerMember_2DC633782296DAFC2BB65A326CF5109E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_CC944E5E2DDE1D02A4115A326CF5F9EE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_CC944E5E2DDE1D02A4115A326CF5F9EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_160F82E24C0EDA9C17F15A326CF51979" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_CC944E5E2DDE1D02A4115A326CF5F9EE" xlink:to="loc_us-gaap_ProfitLoss_160F82E24C0EDA9C17F15A326CF51979" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_CC944E5E2DDE1D02A4115A326CF5F9EE" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_FD27E8DAF37C126AA6705A326CF5A3FF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_Depreciation_FD27E8DAF37C126AA6705A326CF5A3FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_2BA56170EBF69D29641F5A326CF51DE0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_2BA56170EBF69D29641F5A326CF51DE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherDepreciationAndAmortization" xlink:label="loc_us-gaap_OtherDepreciationAndAmortization_5B40C6876A2C537965265A326CF5C71F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_OtherDepreciationAndAmortization_5B40C6876A2C537965265A326CF5C71F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_A79CFAD073DED154AC315A326CF519F3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_A79CFAD073DED154AC315A326CF519F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_A5B958E72C06B1E417B15A326CF50362" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_A5B958E72C06B1E417B15A326CF50362" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_5444F5754E57F27A87005A326CF523BB" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_5444F5754E57F27A87005A326CF523BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_5070A2F200CA91D3CCD95A326CF5569B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_5070A2F200CA91D3CCD95A326CF5569B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingAssets_8704AF92A92051A6A9615A326CF5BCD8" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingAssets_8704AF92A92051A6A9615A326CF5BCD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StraightLineRent" xlink:label="loc_us-gaap_StraightLineRent_8133676DC041542F001E5A326CF5B7B5" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_StraightLineRent_8133676DC041542F001E5A326CF5B7B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLiabilities_7F33A10E3276383BEF9A5A326CF523F9" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLiabilities_7F33A10E3276383BEF9A5A326CF523F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_CEED6012359DF658B3895A326CF624C2" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5CC157841BA2668747125A326CF55332" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_CEED6012359DF658B3895A326CF624C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_E086F7036531DBA17D3B5A326CF69F9F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_CC944E5E2DDE1D02A4115A326CF5F9EE" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_E086F7036531DBA17D3B5A326CF69F9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_805A26D4873CED69D05F5A326CF68ACA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_805A26D4873CED69D05F5A326CF68ACA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements" xlink:label="loc_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_9A115B837533727DE6235A326CF64DE7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:to="loc_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_9A115B837533727DE6235A326CF64DE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyHeldForSale" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_B65463F6366C23CA5A655A326CF66D77" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_B65463F6366C23CA5A655A326CF66D77" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_C7616149E1E29452375A5A326CF60021" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:to="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_C7616149E1E29452375A5A326CF60021" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCash_9D284D11F2D5899728E75A326CF6D88B" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCash_9D284D11F2D5899728E75A326CF6D88B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ABFE299BA403F3D8D2165A326CF60FE4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_B39C5700A3AFABF189D35A326CF6E7E5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ABFE299BA403F3D8D2165A326CF60FE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentOfFinancingAndStockIssuanceCosts" xlink:label="loc_us-gaap_PaymentOfFinancingAndStockIssuanceCosts_967C7FF3A0C644341AF25A326CF6AB0D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_PaymentOfFinancingAndStockIssuanceCosts_967C7FF3A0C644341AF25A326CF6AB0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_3C2304E0989D1C6BD1335A326CF69F5B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_3C2304E0989D1C6BD1335A326CF69F5B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_DEADC88DD25B45BC708A5A326CF69BFC" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_DEADC88DD25B45BC708A5A326CF69BFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_18EDBA71E9C460873F145A326CF60DE4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_18EDBA71E9C460873F145A326CF60DE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_5B49D17FDF9D99C561605A326CF623D9" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_ProceedsFromMinorityShareholders_5B49D17FDF9D99C561605A326CF623D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_81338FE25212FBB831BA5A326CF6DD22" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_81338FE25212FBB831BA5A326CF6DD22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfSecuredDebt" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_59B4885D5DB95592B2EC5A326CF6504B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_59B4885D5DB95592B2EC5A326CF6504B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_CDBF30911DCD51F308195A326CF65F8A" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_CDBF30911DCD51F308195A326CF65F8A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfUnsecuredDebt" xlink:label="loc_us-gaap_RepaymentsOfUnsecuredDebt_FD4670246C8C7378E7D35A326CF735EA" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_RepaymentsOfUnsecuredDebt_FD4670246C8C7378E7D35A326CF735EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_DC25A198974DA8377CB75A326CF7FA90" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_DC25A198974DA8377CB75A326CF7FA90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_853A91E90B825FCE8FEF5A326CF786DA" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_853A91E90B825FCE8FEF5A326CF786DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3E0E9D8A4904CF723BFF5A326CF76FB0" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C899963DAE7426B16DA65A326CF67E2E" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3E0E9D8A4904CF723BFF5A326CF76FB0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_EC771FCB24CA2D7D3D625A326CF7EF7F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_EC771FCB24CA2D7D3D625A326CF7EF7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4683286F0304CE41F9165A326CF75AF5" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4683286F0304CE41F9165A326CF75AF5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_B3FD8C0CCB8489A7470D5A326CF79B4A" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_B3FD8C0CCB8489A7470D5A326CF79B4A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaidCapitalized" xlink:label="loc_us-gaap_InterestPaidCapitalized_C382FF7CCCF0A86A81E75A326CF72F67" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_B3FD8C0CCB8489A7470D5A326CF79B4A" xlink:to="loc_us-gaap_InterestPaidCapitalized_C382FF7CCCF0A86A81E75A326CF72F67" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_E3B39FB104D8C42FA1C65A326CF786AB" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_E3B39FB104D8C42FA1C65A326CF786AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_06396A8D9B1733A890AA5A326CF7E16A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_E3B39FB104D8C42FA1C65A326CF786AB" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_06396A8D9B1733A890AA5A326CF7E16A" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_ExchangeOfLimitedPartnershipUnitsForGeneralPartnershipUnitsAbstract" xlink:label="loc_fr_ExchangeOfLimitedPartnershipUnitsForGeneralPartnershipUnitsAbstract_86AC4082424CA9FDDA615A326CF7B408" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_fr_ExchangeOfLimitedPartnershipUnitsForGeneralPartnershipUnitsAbstract_86AC4082424CA9FDDA615A326CF7B408" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_C9DF87B7F9F74C92442F5A326CF7A66C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_ExchangeOfLimitedPartnershipUnitsForGeneralPartnershipUnitsAbstract_86AC4082424CA9FDDA615A326CF7B408" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_C9DF87B7F9F74C92442F5A326CF7A66C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAssumed1" xlink:label="loc_us-gaap_LiabilitiesAssumed1_32DA390618BCA25C6C445A326CF73DEB" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_LiabilitiesAssumed1_32DA390618BCA25C6C445A326CF73DEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_3D5F9B8C673D9E9D6B085A326CF796F4" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_3D5F9B8C673D9E9D6B085A326CF796F4" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_WriteOffOfFullyDepreciatedAssets" xlink:label="loc_fr_WriteOffOfFullyDepreciatedAssets_F9D129C2C6504C3D66285A326CF751C0" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_354427FB229278F304995A326CF5E382" xlink:to="loc_fr_WriteOffOfFullyDepreciatedAssets_F9D129C2C6504C3D66285A326CF751C0" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_8648964EF99B4E5961D130CA5596F15D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:to="loc_us-gaap_StatementTable_8648964EF99B4E5961D130CA5596F15D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_DB280D1B1417484D623E30CA55964F17" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_8648964EF99B4E5961D130CA5596F15D" xlink:to="loc_dei_LegalEntityAxis_DB280D1B1417484D623E30CA55964F17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_363A023D544CEEA9369530CA55963F97_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_DB280D1B1417484D623E30CA55964F17" xlink:to="loc_dei_EntityDomain_363A023D544CEEA9369530CA55963F97_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_363A023D544CEEA9369530CA55963F97" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_DB280D1B1417484D623E30CA55964F17" xlink:to="loc_dei_EntityDomain_363A023D544CEEA9369530CA55963F97" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_A0EA42B40F16C1A4C3BC30CA5596F460" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_363A023D544CEEA9369530CA55963F97" xlink:to="loc_fr_FirstIndustrialLPMember_A0EA42B40F16C1A4C3BC30CA5596F460" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_6F20C34C4DC9D95F303930CA55964AEB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:to="loc_us-gaap_ProfitLoss_6F20C34C4DC9D95F303930CA55964AEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_BC86B954785D4C19E2E330CA559655B0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_BC86B954785D4C19E2E330CA559655B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_62F4E970A5E3D8AC6CF930CA5596F9BF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_62F4E970A5E3D8AC6CF930CA5596F9BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_B26ADACF1001D4E89F7C30CA55961BFD" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_B26ADACF1001D4E89F7C30CA55961BFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_935BE0D256B329A31DD630CA5596BF27" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_935BE0D256B329A31DD630CA5596BF27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_5738D9B484430965B4AB30CA55963565" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1102E8BC8AF2D78C382E30CA559692C5" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_5738D9B484430965B4AB30CA55963565" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_203048665D797F554B7430C8E833DE29" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_StatementTable_203048665D797F554B7430C8E833DE29" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_31359D336592B955292130C8E8330988" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_203048665D797F554B7430C8E833DE29" xlink:to="loc_dei_LegalEntityAxis_31359D336592B955292130C8E8330988" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_9FEB802D9C66CA55A69D30C8E8345F19_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_31359D336592B955292130C8E8330988" xlink:to="loc_dei_EntityDomain_9FEB802D9C66CA55A69D30C8E8345F19_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_9FEB802D9C66CA55A69D30C8E8345F19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_31359D336592B955292130C8E8330988" xlink:to="loc_dei_EntityDomain_9FEB802D9C66CA55A69D30C8E8345F19" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_E9E3FAE04B2A5E0E425F30C8E834C1F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_9FEB802D9C66CA55A69D30C8E8345F19" xlink:to="loc_fr_FirstIndustrialLPMember_E9E3FAE04B2A5E0E425F30C8E834C1F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateRevenueNetAbstract" xlink:label="loc_us-gaap_RealEstateRevenueNetAbstract_935732D0F06E822D7C2030C8E83499AF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_RealEstateRevenueNetAbstract_935732D0F06E822D7C2030C8E83499AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementLeaseRevenue" xlink:label="loc_us-gaap_OperatingLeasesIncomeStatementLeaseRevenue_9C0E39FA9EF389D55A7130C8E836C690" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateRevenueNetAbstract_935732D0F06E822D7C2030C8E83499AF" xlink:to="loc_us-gaap_OperatingLeasesIncomeStatementLeaseRevenue_9C0E39FA9EF389D55A7130C8E836C690" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TenantReimbursements" xlink:label="loc_us-gaap_TenantReimbursements_8BA98C3D6785BA3836D630C8E837F08C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateRevenueNetAbstract_935732D0F06E822D7C2030C8E83499AF" xlink:to="loc_us-gaap_TenantReimbursements_8BA98C3D6785BA3836D630C8E837F08C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="loc_us-gaap_RealEstateRevenueNet_001C3CA101E7BF19F50830C8E8377EC0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateRevenueNetAbstract_935732D0F06E822D7C2030C8E83499AF" xlink:to="loc_us-gaap_RealEstateRevenueNet_001C3CA101E7BF19F50830C8E8377EC0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingCostsAndExpensesAbstract" xlink:label="loc_us-gaap_OperatingCostsAndExpensesAbstract_1494B9755C8BB172763C30C8E837BFCF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_OperatingCostsAndExpensesAbstract_1494B9755C8BB172763C30C8E837BFCF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_CFD2EAED047316CCDBB330C8E83717D0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_1494B9755C8BB172763C30C8E837BFCF" xlink:to="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_CFD2EAED047316CCDBB330C8E83717D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_E8E03379045D4096F9A530C8E837D466" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_1494B9755C8BB172763C30C8E837BFCF" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_E8E03379045D4096F9A530C8E837D466" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_68506C9E86A69B6A9B0430C8E837BB20" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_1494B9755C8BB172763C30C8E837BFCF" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_68506C9E86A69B6A9B0430C8E837BB20" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_AAD12D2BB3005E3125B030C8E837467F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_1494B9755C8BB172763C30C8E837BFCF" xlink:to="loc_us-gaap_DepreciationAndAmortization_AAD12D2BB3005E3125B030C8E837467F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_65F06F47610DDB7E8F2830C8E8377B89" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_1494B9755C8BB172763C30C8E837BFCF" xlink:to="loc_us-gaap_OperatingExpenses_65F06F47610DDB7E8F2830C8E8377B89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_70568D3B6C908403FDBB30C8E837334D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_70568D3B6C908403FDBB30C8E837334D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_C181C4B872BE6C2D977930C8E8373A9E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:to="loc_us-gaap_InterestExpense_C181C4B872BE6C2D977930C8E8373A9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_EE7FCE010DA337DE829830C8E837127E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_EE7FCE010DA337DE829830C8E837127E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_9917B3154D8E9AE99D7330C8E837A278" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_9917B3154D8E9AE99D7330C8E837A278" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_766D26C452CDCB19BBEA30C8E837E8A7" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_766D26C452CDCB19BBEA30C8E837E8A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_6E329BC94BB5D290871B30C8E837C036" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_524EF8539C4281D917FF30C8E837A888" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_6E329BC94BB5D290871B30C8E837C036" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_D841B9C273D35A9EA89130C8E837B051" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_D841B9C273D35A9EA89130C8E837B051" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_36219CDF1550B8A55B8630C8E8387FAE" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_36219CDF1550B8A55B8630C8E8387FAE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_23086E6C6125CC236F6930C8E838037B" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_ProfitLoss_23086E6C6125CC236F6930C8E838037B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_85684C9FF79B2C9EAFD130C8E838CA1C" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_85684C9FF79B2C9EAFD130C8E838CA1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_314022461F3B7271556030C8E838F9F3" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_NetIncomeLoss_314022461F3B7271556030C8E838F9F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_654FBCAAA36794AF6E9530C8E8382AA9" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_654FBCAAA36794AF6E9530C8E8382AA9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_DEA08C694CF7355942F030C8E8383156" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_654FBCAAA36794AF6E9530C8E8382AA9" xlink:to="loc_us-gaap_EarningsPerShareBasic_DEA08C694CF7355942F030C8E8383156" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_0F9C8423A63B5389586130C8E838549A" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_0F9C8423A63B5389586130C8E838549A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_28EF461537383ACD3B7430C8E838CCE1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_0F9C8423A63B5389586130C8E838549A" xlink:to="loc_us-gaap_EarningsPerShareDiluted_28EF461537383ACD3B7430C8E838CCE1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_86A0E1C592BAD04B769A30C8E838B51F" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_86A0E1C592BAD04B769A30C8E838B51F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4CE367EF994795DBD09430C8E8383F4B" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4CE367EF994795DBD09430C8E8383F4B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5EBC58B8C1BD760C7CB930C8E838508F" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2590D7BF20ED12A93EFA30C8E834D8B2" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5EBC58B8C1BD760C7CB930C8E838508F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/Derivatives" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/DerivativesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_D7244E7BE1175426A04B30CA54F3E7E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_us-gaap_DerivativeTable_D7244E7BE1175426A04B30CA54F3E7E4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_764248C9CB6ECE34ED5C30CA54F3CC99" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_D7244E7BE1175426A04B30CA54F3E7E4" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_764248C9CB6ECE34ED5C30CA54F3CC99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_04F6C22081CDDEFB872A30CA54F32F61_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_764248C9CB6ECE34ED5C30CA54F3CC99" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_04F6C22081CDDEFB872A30CA54F32F61_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_04F6C22081CDDEFB872A30CA54F32F61" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_764248C9CB6ECE34ED5C30CA54F3CC99" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_04F6C22081CDDEFB872A30CA54F32F61" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InterestRateSwapOneMember" xlink:label="loc_fr_InterestRateSwapOneMember_034E94656BADD0BC5B2430CA54F35888" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_04F6C22081CDDEFB872A30CA54F32F61" xlink:to="loc_fr_InterestRateSwapOneMember_034E94656BADD0BC5B2430CA54F35888" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InterestRateSwapTwoMember" xlink:label="loc_fr_InterestRateSwapTwoMember_01137433B54FBE5DE9E030CA54F391BC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_04F6C22081CDDEFB872A30CA54F32F61" xlink:to="loc_fr_InterestRateSwapTwoMember_01137433B54FBE5DE9E030CA54F391BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryLockMember" xlink:label="loc_us-gaap_TreasuryLockMember_F427E308369E93E48D7530CA54F308CB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_04F6C22081CDDEFB872A30CA54F32F61" xlink:to="loc_us-gaap_TreasuryLockMember_F427E308369E93E48D7530CA54F308CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_E34FC45D4BD857A192B330CA54F35B78" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_us-gaap_DebtInstrumentTerm_E34FC45D4BD857A192B330CA54F35B78" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_DF3C26B3CADA4D8098EB30CA54F3CAE2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_DF3C26B3CADA4D8098EB30CA54F3CAE2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_8B15D779E36BE44908E030CA54F3A2E2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_8B15D779E36BE44908E030CA54F3A2E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_C5AEAE4E985F5F484C4530CA54F3D5E3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_C5AEAE4E985F5F484C4530CA54F3D5E3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_7D3F2117A102F3F3FF6130CA54F4729F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_invest_DerivativeNotionalAmount_7D3F2117A102F3F3FF6130CA54F4729F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAverageFixedInterestRate" xlink:label="loc_us-gaap_DerivativeAverageFixedInterestRate_9ED7F8E52EEA784EFA7D30CA54F47392" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_us-gaap_DerivativeAverageFixedInterestRate_9ED7F8E52EEA784EFA7D30CA54F47392" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_DCC2F87C767FD8AABF0B30E94BEDEDF6" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_475DEDA315F64DC3C43D30CA54F3560B" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_DCC2F87C767FD8AABF0B30E94BEDEDF6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/DerivativesFairValueMeasurementsOnRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_459946E908D4125F9A354A6A582D16EE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_8597C1134E3B8D715EC04A6A582B61B4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_459946E908D4125F9A354A6A582D16EE" xlink:to="loc_us-gaap_DerivativeTable_8597C1134E3B8D715EC04A6A582B61B4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_9B4C0A1083957EB92AD14A6A582C7B3E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_8597C1134E3B8D715EC04A6A582B61B4" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_9B4C0A1083957EB92AD14A6A582C7B3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_988BFE259ECBE210221E4A6A582C483A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9B4C0A1083957EB92AD14A6A582C7B3E" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_988BFE259ECBE210221E4A6A582C483A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_988BFE259ECBE210221E4A6A582C483A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9B4C0A1083957EB92AD14A6A582C7B3E" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_988BFE259ECBE210221E4A6A582C483A" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InterestRateSwapTwoMember" xlink:label="loc_fr_InterestRateSwapTwoMember_2B7CB6733BA4E044D7FA4A6A582C5E36" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_988BFE259ECBE210221E4A6A582C483A" xlink:to="loc_fr_InterestRateSwapTwoMember_2B7CB6733BA4E044D7FA4A6A582C5E36" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InterestRateSwapOneMember" xlink:label="loc_fr_InterestRateSwapOneMember_80F372A60C46B00A7EDF4A6A582DFB1C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_988BFE259ECBE210221E4A6A582C483A" xlink:to="loc_fr_InterestRateSwapOneMember_80F372A60C46B00A7EDF4A6A582DFB1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryLockMember" xlink:label="loc_us-gaap_TreasuryLockMember_CC730CAA7960C02FD00D4A6A582D39FE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_988BFE259ECBE210221E4A6A582C483A" xlink:to="loc_us-gaap_TreasuryLockMember_CC730CAA7960C02FD00D4A6A582D39FE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1778E446D71A6A8C7DEC4A6A582D3CC0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_8597C1134E3B8D715EC04A6A582B61B4" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1778E446D71A6A8C7DEC4A6A582D3CC0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_DE82FA266A096318505F4A6A582D53A2_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1778E446D71A6A8C7DEC4A6A582D3CC0" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_DE82FA266A096318505F4A6A582D53A2_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_DE82FA266A096318505F4A6A582D53A2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1778E446D71A6A8C7DEC4A6A582D3CC0" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_DE82FA266A096318505F4A6A582D53A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_F4B6FE2414D5D8F5E4544A6A582D93AC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_DE82FA266A096318505F4A6A582D53A2" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_F4B6FE2414D5D8F5E4544A6A582D93AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1FE601D584E5E16FF63C4A6A582D6E5E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_8597C1134E3B8D715EC04A6A582B61B4" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1FE601D584E5E16FF63C4A6A582D6E5E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D05F4BFE3831F05D6DA64A6A582D8B63_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1FE601D584E5E16FF63C4A6A582D6E5E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D05F4BFE3831F05D6DA64A6A582D8B63_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D05F4BFE3831F05D6DA64A6A582D8B63" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1FE601D584E5E16FF63C4A6A582D6E5E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D05F4BFE3831F05D6DA64A6A582D8B63" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_2F2D310E76BF17D504584A6A582DD1D4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D05F4BFE3831F05D6DA64A6A582D8B63" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_2F2D310E76BF17D504584A6A582DD1D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_2E345B70D0E6DEC898724A6A582DB3F6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D05F4BFE3831F05D6DA64A6A582D8B63" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_2E345B70D0E6DEC898724A6A582DB3F6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_FBBADAD14BD27E106F814A6A582DE4EE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D05F4BFE3831F05D6DA64A6A582D8B63" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_FBBADAD14BD27E106F814A6A582DE4EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue" xlink:label="loc_us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue_A6574638A1D3FA9339FF4A6A582D1681" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_459946E908D4125F9A354A6A582D16EE" xlink:to="loc_us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue_A6574638A1D3FA9339FF4A6A582D1681" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue" xlink:label="loc_us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue_ABED0B860CBF7A1ECBC74A6A582DBE8A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_459946E908D4125F9A354A6A582D16EE" xlink:to="loc_us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue_ABED0B860CBF7A1ECBC74A6A582DBE8A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_9598C85A2EA00322C0014A6A582D8387" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_459946E908D4125F9A354A6A582D16EE" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_9598C85A2EA00322C0014A6A582D8387" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/DerivativesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_09F255DEB506D50752C32F423139B7E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_DocumentInformationTable_09F255DEB506D50752C32F423139B7E4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_9EFBF355394D08E9896C2F4231393DB8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_09F255DEB506D50752C32F423139B7E4" xlink:to="loc_dei_LegalEntityAxis_9EFBF355394D08E9896C2F4231393DB8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_73395813D99C0E4DC9722F423139EBB6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_9EFBF355394D08E9896C2F4231393DB8" xlink:to="loc_dei_EntityDomain_73395813D99C0E4DC9722F423139EBB6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_73395813D99C0E4DC9722F423139EBB6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_9EFBF355394D08E9896C2F4231393DB8" xlink:to="loc_dei_EntityDomain_73395813D99C0E4DC9722F423139EBB6" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_073BEFC70653241D46992F42313A1A70" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_73395813D99C0E4DC9722F423139EBB6" xlink:to="loc_fr_FirstIndustrialLPMember_073BEFC70653241D46992F42313A1A70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_5B3118A7FFE126AE58F42F42313A45B0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_DocumentType_5B3118A7FFE126AE58F42F42313A45B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_1C2082CDF15611B4B6472F42313A6F4E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_AmendmentFlag_1C2082CDF15611B4B6472F42313A6F4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_6E3201F90EEEA68CFF4F2F42313A3F08" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_DocumentPeriodEndDate_6E3201F90EEEA68CFF4F2F42313A3F08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_074404FC160DA28E036E2F42313A4014" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_DocumentFiscalYearFocus_074404FC160DA28E036E2F42313A4014" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_86B5C7203FF94E49BBD42F42313A2FDA" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_DocumentFiscalPeriodFocus_86B5C7203FF94E49BBD42F42313A2FDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_8915509683011ACD7FA32F42313AB64C" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_TradingSymbol_8915509683011ACD7FA32F42313AB64C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_BF478E922A45C4C226E92F42313AE97B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_EntityRegistrantName_BF478E922A45C4C226E92F42313AE97B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_6D4C08A37EB96A33642E2F42313A8E69" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_EntityCentralIndexKey_6D4C08A37EB96A33642E2F42313A8E69" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_D22B92E6D9FE1B425D7E2F42313A7C0D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_CurrentFiscalYearEndDate_D22B92E6D9FE1B425D7E2F42313A7C0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_5472B671C9EB811F024F2F42313AFAAF" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_EntityCurrentReportingStatus_5472B671C9EB811F024F2F42313AFAAF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_78F1973303ED5295CB632F42313AF8BB" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_EntityFilerCategory_78F1973303ED5295CB632F42313AF8BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_26F50D6604711C21B4252F42313A2810" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_574D91D802110CF204252F42313A2FD9" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_26F50D6604711C21B4252F42313A2810" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpu" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuAdditionalInformationDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuComputationOfBasicAndDilutedEpsEpuDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_3FA3DDA549183606C30A865C30E45F1D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_73CA635914CC90EDEEB0865C30E45433" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_3FA3DDA549183606C30A865C30E45F1D" xlink:to="loc_us-gaap_StatementTable_73CA635914CC90EDEEB0865C30E45433" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_F80B18200CCDC8D0963F865C30E49F0C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_73CA635914CC90EDEEB0865C30E45433" xlink:to="loc_dei_LegalEntityAxis_F80B18200CCDC8D0963F865C30E49F0C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_75B1C0EDA8AA4E6D3B09865C30E4DB8B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_F80B18200CCDC8D0963F865C30E49F0C" xlink:to="loc_dei_EntityDomain_75B1C0EDA8AA4E6D3B09865C30E4DB8B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_75B1C0EDA8AA4E6D3B09865C30E4DB8B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_F80B18200CCDC8D0963F865C30E49F0C" xlink:to="loc_dei_EntityDomain_75B1C0EDA8AA4E6D3B09865C30E4DB8B" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_A0DCB946E92CD7799FA0865C30E4A4E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_75B1C0EDA8AA4E6D3B09865C30E4DB8B" xlink:to="loc_fr_FirstIndustrialLPMember_A0DCB946E92CD7799FA0865C30E4A4E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_EE7476AF61EAEA681B57865C30E4EC19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3FA3DDA549183606C30A865C30E45F1D" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_EE7476AF61EAEA681B57865C30E4EC19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_CC0B871F12ACE695A846865C30E46677" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_EE7476AF61EAEA681B57865C30E4EC19" xlink:to="loc_us-gaap_NetIncomeLoss_CC0B871F12ACE695A846865C30E46677" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic" xlink:label="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_BA8FE76B3F5036D4C7F0865C30E41DD5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_EE7476AF61EAEA681B57865C30E4EC19" xlink:to="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_BA8FE76B3F5036D4C7F0865C30E41DD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9696C44E0C8FDE0AA56E865C30E68A4C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_EE7476AF61EAEA681B57865C30E4EC19" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9696C44E0C8FDE0AA56E865C30E68A4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_D74E138A26D8401B411D865C30E69CE4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3FA3DDA549183606C30A865C30E45F1D" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_D74E138A26D8401B411D865C30E69CE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_770984A58FE2199A3086865C30E61FBB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_D74E138A26D8401B411D865C30E69CE4" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_770984A58FE2199A3086865C30E61FBB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_68D32B5F6437C4C60EAD865C30E6A199" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_D74E138A26D8401B411D865C30E69CE4" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_68D32B5F6437C4C60EAD865C30E6A199" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_57694537C9E39A57F935865C30E63BFD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_D74E138A26D8401B411D865C30E69CE4" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_57694537C9E39A57F935865C30E63BFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_06E262BD64CDDEBC40F8865C30E647E8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3FA3DDA549183606C30A865C30E45F1D" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_06E262BD64CDDEBC40F8865C30E647E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_1AA15B2F1989FE399A06865C30E68B96" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_06E262BD64CDDEBC40F8865C30E647E8" xlink:to="loc_us-gaap_EarningsPerShareBasic_1AA15B2F1989FE399A06865C30E68B96" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_E00912E3D5AC174F18A5865C30E659E8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3FA3DDA549183606C30A865C30E45F1D" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_E00912E3D5AC174F18A5865C30E659E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_F7225D2260F7A8465F2E865C30E672A8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_E00912E3D5AC174F18A5865C30E659E8" xlink:to="loc_us-gaap_EarningsPerShareDiluted_F7225D2260F7A8465F2E865C30E672A8" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_F7233A5782BB12017A572F42319B5F00" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_C0C304D3E043C8E3DBE82F42319B42E5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_F7233A5782BB12017A572F42319B5F00" xlink:to="loc_us-gaap_StatementTable_C0C304D3E043C8E3DBE82F42319B42E5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_1B86EBFAE25CA5E4E8062F42319B5B48" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_C0C304D3E043C8E3DBE82F42319B42E5" xlink:to="loc_dei_LegalEntityAxis_1B86EBFAE25CA5E4E8062F42319B5B48" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_63D52D6CEB5F522F9B672F42319B3527_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_1B86EBFAE25CA5E4E8062F42319B5B48" xlink:to="loc_dei_EntityDomain_63D52D6CEB5F522F9B672F42319B3527_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_63D52D6CEB5F522F9B672F42319B3527" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_1B86EBFAE25CA5E4E8062F42319B5B48" xlink:to="loc_dei_EntityDomain_63D52D6CEB5F522F9B672F42319B3527" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_12CFBB4C7AF0D0C1629F2F42319B25B9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_63D52D6CEB5F522F9B672F42319B3527" xlink:to="loc_fr_FirstIndustrialLPMember_12CFBB4C7AF0D0C1629F2F42319B25B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_B7DE75FD025E8FE6EA2F2F42319B659B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F7233A5782BB12017A572F42319B5F00" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_B7DE75FD025E8FE6EA2F2F42319B659B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/Indebtedness" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/IndebtednessAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_B5812D21AFCAF55329D34A997D17401F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:to="loc_us-gaap_DebtInstrumentTable_B5812D21AFCAF55329D34A997D17401F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_4BA00219CAF4E2CF76244A997D17DD02" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B5812D21AFCAF55329D34A997D17401F" xlink:to="loc_us-gaap_DebtInstrumentAxis_4BA00219CAF4E2CF76244A997D17DD02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C1305C4A416B5E2373B84A997D17D673_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_4BA00219CAF4E2CF76244A997D17DD02" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C1305C4A416B5E2373B84A997D17D673_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C1305C4A416B5E2373B84A997D17D673" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_4BA00219CAF4E2CF76244A997D17DD02" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C1305C4A416B5E2373B84A997D17D673" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember" xlink:label="loc_fr_PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember_196E8D974B510F8C706D4A997D17E982" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C1305C4A416B5E2373B84A997D17D673" xlink:to="loc_fr_PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember_196E8D974B510F8C706D4A997D17E982" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember" xlink:label="loc_fr_PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember_95AC72C4AB048992E3EA4A997D178C30" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C1305C4A416B5E2373B84A997D17D673" xlink:to="loc_fr_PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember_95AC72C4AB048992E3EA4A997D178C30" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember" xlink:label="loc_fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember_B31C213562A29BA115EF4A997D17C206" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C1305C4A416B5E2373B84A997D17D673" xlink:to="loc_fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember_B31C213562A29BA115EF4A997D17C206" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4F203219B1F3577C837D4A997D17340E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B5812D21AFCAF55329D34A997D17401F" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4F203219B1F3577C837D4A997D17340E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4F203219B1F3577C837D4A997D17340E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4F203219B1F3577C837D4A997D17340E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MortgagesMember" xlink:label="loc_us-gaap_MortgagesMember_167418C5B30A2543E23F4A997D172588" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3" xlink:to="loc_us-gaap_MortgagesMember_167418C5B30A2543E23F4A997D172588" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_6446B0CA2930C497BCC84A997D173141" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3" xlink:to="loc_us-gaap_UnsecuredDebtMember_6446B0CA2930C497BCC84A997D173141" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMember" xlink:label="loc_us-gaap_LongTermDebtMember_969C160A45875D2AEDB84A997D18AF35" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3" xlink:to="loc_us-gaap_LongTermDebtMember_969C160A45875D2AEDB84A997D18AF35" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_0F866B60BE6FA8FEACA14A997D187108" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2FA3595A65B08432A5E14A997D1785A3" xlink:to="loc_us-gaap_LineOfCreditMember_0F866B60BE6FA8FEACA14A997D187108" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_AF7A9F889475B3EBFA484A997D185B0F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_AF7A9F889475B3EBFA484A997D185B0F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_6D77A76D843B610982064A997D1820AA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAmount_6D77A76D843B610982064A997D1820AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_5B6A6C5E71CC603622304A997D18FFE3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_5B6A6C5E71CC603622304A997D18FFE3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentCollateralAmount" xlink:label="loc_us-gaap_DebtInstrumentCollateralAmount_571D5128682908AD563A4A997D189A41" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:to="loc_us-gaap_DebtInstrumentCollateralAmount_571D5128682908AD563A4A997D189A41" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_UnsecuredDebtGross" xlink:label="loc_fr_UnsecuredDebtGross_74D1F58DE2BEFC9894804A997D185FD2" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:to="loc_fr_UnsecuredDebtGross_74D1F58DE2BEFC9894804A997D185FD2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_EFB62C17FF0F5A6419ED4A997D1829F1" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_06134F95C852BBDC213F4A997D180CB1" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_EFB62C17FF0F5A6419ED4A997D1829F1" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/IndebtednessScheduleOfMaturitiesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/IndebtednessSummaryOfIndebtednessAtEstimatedFairValueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_0F505274F480E903A5212F4231FCC023" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:to="loc_us-gaap_DebtInstrumentTable_0F505274F480E903A5212F4231FCC023" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_E671BA71BF9CFE4B67DC2F4231FCB57C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0F505274F480E903A5212F4231FCC023" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_E671BA71BF9CFE4B67DC2F4231FCB57C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_E671BA71BF9CFE4B67DC2F4231FCB57C" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_E671BA71BF9CFE4B67DC2F4231FCB57C" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MortgagesMember" xlink:label="loc_us-gaap_MortgagesMember_4FF26BA42CB7EFDA7D0D2F4231FCCED3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2" xlink:to="loc_us-gaap_MortgagesMember_4FF26BA42CB7EFDA7D0D2F4231FCCED3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_6DA711D63345B28B8F7C2F4231FC2D83" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2" xlink:to="loc_us-gaap_UnsecuredDebtMember_6DA711D63345B28B8F7C2F4231FC2D83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMember" xlink:label="loc_us-gaap_LongTermDebtMember_50B4CB17EB27495597012F4231FC0DC5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2" xlink:to="loc_us-gaap_LongTermDebtMember_50B4CB17EB27495597012F4231FC0DC5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_07127D12E25809943C222F4231FC538F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0C5F88C5B76175D55AF32F4231FC9BB2" xlink:to="loc_us-gaap_LineOfCreditMember_07127D12E25809943C222F4231FC538F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_D2C040A1283FFFDE94F22F4231FC9185" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:to="loc_us-gaap_LongTermDebt_D2C040A1283FFFDE94F22F4231FC9185" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansPayableFairValueDisclosure" xlink:label="loc_us-gaap_LoansPayableFairValueDisclosure_90B416E60C143AC119C42F4231FDAC6A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:to="loc_us-gaap_LoansPayableFairValueDisclosure_90B416E60C143AC119C42F4231FDAC6A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_D6773136DE25684474DB2F4231FD34A8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:to="loc_us-gaap_NotesPayableFairValueDisclosure_D6773136DE25684474DB2F4231FD34A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_79D9324C46F6BF5521B62F4231FDE435" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:to="loc_us-gaap_LongTermDebtFairValue_79D9324C46F6BF5521B62F4231FDE435" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LinesOfCreditFairValueDisclosure" xlink:label="loc_us-gaap_LinesOfCreditFairValueDisclosure_D9A4CA9214FAFC6493162F4231FD0BFB" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:to="loc_us-gaap_LinesOfCreditFairValueDisclosure_D9A4CA9214FAFC6493162F4231FD0BFB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_us-gaap_DebtInstrumentFairValue_0A45157646285FA42DC02F4231FD51E4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D44978CBADA4DD02DAC22F4231FC9AE6" xlink:to="loc_us-gaap_DebtInstrumentFairValue_0A45157646285FA42DC02F4231FD51E4" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/IndebtednessSummaryOfIndebtednessDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_15A20C6B361A5E54FC3F4A9873E72E75" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentTable_15A20C6B361A5E54FC3F4A9873E72E75" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_8CE846B210DCAB4700344A9873E75488" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_15A20C6B361A5E54FC3F4A9873E72E75" xlink:to="loc_us-gaap_RangeAxis_8CE846B210DCAB4700344A9873E75488" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9F1278A715A86D4C11B04A9873E8AD88_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_8CE846B210DCAB4700344A9873E75488" xlink:to="loc_us-gaap_RangeMember_9F1278A715A86D4C11B04A9873E8AD88_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9F1278A715A86D4C11B04A9873E8AD88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_8CE846B210DCAB4700344A9873E75488" xlink:to="loc_us-gaap_RangeMember_9F1278A715A86D4C11B04A9873E8AD88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_70223F86B904CE8458E04A9873E826A4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_9F1278A715A86D4C11B04A9873E8AD88" xlink:to="loc_us-gaap_MinimumMember_70223F86B904CE8458E04A9873E826A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_23163C5B70F6CED157D84A9873E803B0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_9F1278A715A86D4C11B04A9873E8AD88" xlink:to="loc_us-gaap_MaximumMember_23163C5B70F6CED157D84A9873E803B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4E68425AE4B7398D29F34A9873E8B3F7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_15A20C6B361A5E54FC3F4A9873E72E75" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4E68425AE4B7398D29F34A9873E8B3F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4E68425AE4B7398D29F34A9873E8B3F7" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4E68425AE4B7398D29F34A9873E8B3F7" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MortgagesMember" xlink:label="loc_us-gaap_MortgagesMember_B5BB178EA3B1F018A0304A9873E8C18F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873" xlink:to="loc_us-gaap_MortgagesMember_B5BB178EA3B1F018A0304A9873E8C18F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_B9AF771BD854BD432A584A9873E89FC7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873" xlink:to="loc_us-gaap_UnsecuredDebtMember_B9AF771BD854BD432A584A9873E89FC7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMember" xlink:label="loc_us-gaap_LongTermDebtMember_3949FC13D59C8AA2516D4A9873E86909" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873" xlink:to="loc_us-gaap_LongTermDebtMember_3949FC13D59C8AA2516D4A9873E86909" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_1676E1A9DC817B85040C4A9873E865A8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0D70B02CC74AC4295F6C4A9873E80873" xlink:to="loc_us-gaap_LineOfCreditMember_1676E1A9DC817B85040C4A9873E865A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_86E47C43A6EB966B10C64A9873E81E97" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_15A20C6B361A5E54FC3F4A9873E72E75" xlink:to="loc_us-gaap_DebtInstrumentAxis_86E47C43A6EB966B10C64A9873E81E97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_86E47C43A6EB966B10C64A9873E81E97" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_86E47C43A6EB966B10C64A9873E81E97" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_SeniorNotesDueTwoThousandSeventeenNotesMember" xlink:label="loc_fr_SeniorNotesDueTwoThousandSeventeenNotesMember_98D5B66E22C6175A25984A9873E89C88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_SeniorNotesDueTwoThousandSeventeenNotesMember_98D5B66E22C6175A25984A9873E89C88" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_SeniorNotesDueTwoThousandTwentySevenNotesMember" xlink:label="loc_fr_SeniorNotesDueTwoThousandTwentySevenNotesMember_FA18C2510B0D90DDC2CC4A9873E863C6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_SeniorNotesDueTwoThousandTwentySevenNotesMember_FA18C2510B0D90DDC2CC4A9873E863C6" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_SeniorNotesDueTwoThousandTwentyEightNotesMember" xlink:label="loc_fr_SeniorNotesDueTwoThousandTwentyEightNotesMember_37870EA6D33E7EF7393D4A9873E80257" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_SeniorNotesDueTwoThousandTwentyEightNotesMember_37870EA6D33E7EF7393D4A9873E80257" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember" xlink:label="loc_fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember_C5FA457D0C30CB22D5BD4A9873E83593" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember_C5FA457D0C30CB22D5BD4A9873E83593" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember" xlink:label="loc_fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember_94DD86C9D6A6641985554A9873E84658" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember_94DD86C9D6A6641985554A9873E84658" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember" xlink:label="loc_fr_PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember_65EC7E10756DCB289A854A9873E89A32" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember_65EC7E10756DCB289A854A9873E89A32" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember" xlink:label="loc_fr_PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember_5C0E5CDCA125A6183DFD4A9873E8A83D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember_5C0E5CDCA125A6183DFD4A9873E8A83D" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_UnsecuredDebtOneMember" xlink:label="loc_fr_UnsecuredDebtOneMember_CF50C948A00095E9F7B44A9873E83F2A" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_UnsecuredDebtOneMember_CF50C948A00095E9F7B44A9873E83F2A" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_UnsecuredDebtTwoMember" xlink:label="loc_fr_UnsecuredDebtTwoMember_E4309E1AA645BC7E54F84A9873E8D957" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ED9E640CE15C354B3C7B4A9873E810A1" xlink:to="loc_fr_UnsecuredDebtTwoMember_E4309E1AA645BC7E54F84A9873E8D957" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_SecuredDebtGross" xlink:label="loc_fr_SecuredDebtGross_E5FD3064D98715F1CE684A9873E98DC0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_fr_SecuredDebtGross_E5FD3064D98715F1CE684A9873E98DC0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_B3070BC15B4EBDD6D0654A9873E99871" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_B3070BC15B4EBDD6D0654A9873E99871" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentUnamortizedPremium" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium_DE650134FDF7DE63EB874A9873E90857" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedPremium_DE650134FDF7DE63EB874A9873E90857" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_8F65B3FD487AEF365DF74A9873E99687" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_SecuredDebt_8F65B3FD487AEF365DF74A9873E99687" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_UnsecuredDebtGross" xlink:label="loc_fr_UnsecuredDebtGross_7193E4EF3902CC04EAD54A9873E9EE3D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_fr_UnsecuredDebtGross_7193E4EF3902CC04EAD54A9873E9EE3D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_6F5396A29505331AEED24A9873E9B40A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_6F5396A29505331AEED24A9873E9B40A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnsecuredDebt" xlink:label="loc_us-gaap_UnsecuredDebt_00CF50B3759FFA62E6134A9873E9EDC4" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_UnsecuredDebt_00CF50B3759FFA62E6134A9873E9EDC4" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_OtherLongTermDebtGross" xlink:label="loc_fr_OtherLongTermDebtGross_36BF0597E7A14190D9E34A9873E9FD62" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_fr_OtherLongTermDebtGross_36BF0597E7A14190D9E34A9873E9FD62" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:label="loc_us-gaap_OtherLongTermDebt_7DACE74F6AC1C3AC95CA4A9873E9E9AC" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_OtherLongTermDebt_7DACE74F6AC1C3AC95CA4A9873E9E9AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_D65C177C76443F8FD75C4A9873E9E078" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_LineOfCredit_D65C177C76443F8FD75C4A9873E9E078" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_A7C2C605FDEC21E354144A9873E968D9" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_A7C2C605FDEC21E354144A9873E968D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_C2389DACCCCD48A9FDBC4A9873E9C0AC" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_C2389DACCCCD48A9FDBC4A9873E9C0AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_7C3A343878E8BA47AA154A9873E98965" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_7C3A343878E8BA47AA154A9873E98965" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeStart1" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateRangeStart1_FA8A5279FED22EC70A894A9873E99AB9" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateRangeStart1_FA8A5279FED22EC70A894A9873E99AB9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeEnd1" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateRangeEnd1_3F9434608416CA2F9D0C4A9873E9A2C8" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateRangeEnd1_3F9434608416CA2F9D0C4A9873E9A2C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaap_DebtInstrumentMaturityDate_8DA8C5459686F0E5F0724A9873E90965" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_6880DBF04CE700F5B9AD4A9873E9337B" xlink:to="loc_us-gaap_DebtInstrumentMaturityDate_8DA8C5459686F0E5F0724A9873E90965" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/IndebtednessTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/InvestmentInRealEstate" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/InvestmentInRealEstateAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstatePropertiesLineItems" xlink:label="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRealEstatePropertiesTable" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_112CB4EDFA7DF9173FF6504E43A1695E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_112CB4EDFA7DF9173FF6504E43A1695E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityAxis" xlink:label="loc_fr_InvestmentinRealEstateActivityAxis_65898DF0B33330F64462504E43A10800" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_112CB4EDFA7DF9173FF6504E43A1695E" xlink:to="loc_fr_InvestmentinRealEstateActivityAxis_65898DF0B33330F64462504E43A10800" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityDomain" xlink:label="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_fr_InvestmentinRealEstateActivityAxis_65898DF0B33330F64462504E43A10800" xlink:to="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB_default" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityDomain" xlink:label="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_fr_InvestmentinRealEstateActivityAxis_65898DF0B33330F64462504E43A10800" xlink:to="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_REITAcquisitionMember" xlink:label="loc_fr_REITAcquisitionMember_83C95CF080E72FC5E815504E43A1C618" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB" xlink:to="loc_fr_REITAcquisitionMember_83C95CF080E72FC5E815504E43A1C618" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_AcquisitionActivityMember" xlink:label="loc_fr_AcquisitionActivityMember_0BC5F53B5644F4C58148504E43A15CDD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB" xlink:to="loc_fr_AcquisitionActivityMember_0BC5F53B5644F4C58148504E43A15CDD" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_HeldForSaleActivityMember" xlink:label="loc_fr_HeldForSaleActivityMember_BF485000E33841C3A725504E43A1EB30" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB" xlink:to="loc_fr_HeldForSaleActivityMember_BF485000E33841C3A725504E43A1EB30" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_DispositionActivityMember" xlink:label="loc_fr_DispositionActivityMember_549F615328B296040498504E43A16410" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_InvestmentinRealEstateActivityDomain_AC4FEC9CEBA85017980D504E43A1CADB" xlink:to="loc_fr_DispositionActivityMember_549F615328B296040498504E43A16410" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfRealEstateProperties" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_5C7021227173D4A4B182504E43A1CDEC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_5C7021227173D4A4B182504E43A1CDEC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AreaOfRealEstateProperty" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_A9246F786D6BE3655DCD504E43A1F5CB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_A9246F786D6BE3655DCD504E43A1F5CB" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PurchasePrice" xlink:label="loc_fr_PurchasePrice_09B496134CC3845559DE504E43A17537" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_fr_PurchasePrice_09B496134CC3845559DE504E43A17537" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PercentageofVotingInterestsAcquired" xlink:label="loc_fr_PercentageofVotingInterestsAcquired_A48ABE84C7E3840CC90D504E43A13ABB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_fr_PercentageofVotingInterestsAcquired_A48ABE84C7E3840CC90D504E43A13ABB" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_NumberofLandParcels" xlink:label="loc_fr_NumberofLandParcels_A7694242591CAD5BACFE504E43A1DE58" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_fr_NumberofLandParcels_A7694242591CAD5BACFE504E43A1DE58" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfBuildings" xlink:label="loc_us-gaap_ProceedsFromSaleOfBuildings_91BCB658CC0B5F819550504E43A16B20" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_us-gaap_ProceedsFromSaleOfBuildings_91BCB658CC0B5F819550504E43A16B20" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_17F60333D3C9B17867F8504E43A19380" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_C2E6E7121DD36277C490504E43A1BBA3" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_17F60333D3C9B17867F8504E43A19380" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/InvestmentInRealEstateInvestmentInRealEstateSummaryOfPurchasePriceAllocationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateLineItems" xlink:label="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateTable" xlink:label="loc_us-gaap_RealEstateTable_422805EEBDE55AF9A776504E43A1D5D7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_us-gaap_RealEstateTable_422805EEBDE55AF9A776504E43A1D5D7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityAxis" xlink:label="loc_fr_InvestmentinRealEstateActivityAxis_E859BD8F2A5C8D72A76F504E43A1E318" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_422805EEBDE55AF9A776504E43A1D5D7" xlink:to="loc_fr_InvestmentinRealEstateActivityAxis_E859BD8F2A5C8D72A76F504E43A1E318" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityDomain" xlink:label="loc_fr_InvestmentinRealEstateActivityDomain_F32C9292026DBD40A739504E43A1A83E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_fr_InvestmentinRealEstateActivityAxis_E859BD8F2A5C8D72A76F504E43A1E318" xlink:to="loc_fr_InvestmentinRealEstateActivityDomain_F32C9292026DBD40A739504E43A1A83E_default" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityDomain" xlink:label="loc_fr_InvestmentinRealEstateActivityDomain_F32C9292026DBD40A739504E43A1A83E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_fr_InvestmentinRealEstateActivityAxis_E859BD8F2A5C8D72A76F504E43A1E318" xlink:to="loc_fr_InvestmentinRealEstateActivityDomain_F32C9292026DBD40A739504E43A1A83E" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_AcquisitionActivityMember" xlink:label="loc_fr_AcquisitionActivityMember_C5C4535928CC1DE8B660504E43A19E8C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_InvestmentinRealEstateActivityDomain_F32C9292026DBD40A739504E43A1A83E" xlink:to="loc_fr_AcquisitionActivityMember_C5C4535928CC1DE8B660504E43A19E8C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7C31AEE673F42E1595B8504E43A129B9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_422805EEBDE55AF9A776504E43A1D5D7" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7C31AEE673F42E1595B8504E43A129B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_61B3888136CB59C9D83D504E43A1EDE0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7C31AEE673F42E1595B8504E43A129B9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_61B3888136CB59C9D83D504E43A1EDE0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_61B3888136CB59C9D83D504E43A1EDE0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7C31AEE673F42E1595B8504E43A129B9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_61B3888136CB59C9D83D504E43A1EDE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMember" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMember_A1B9B26BDCC8000843E1504E43A13845" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_61B3888136CB59C9D83D504E43A1EDE0" xlink:to="loc_us-gaap_LeasesAcquiredInPlaceMember_A1B9B26BDCC8000843E1504E43A13845" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AboveMarketLeasesMember" xlink:label="loc_us-gaap_AboveMarketLeasesMember_AC056964F8089A95F510504E43A1D1E0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_61B3888136CB59C9D83D504E43A1EDE0" xlink:to="loc_us-gaap_AboveMarketLeasesMember_AC056964F8089A95F510504E43A1D1E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OffMarketFavorableLeaseMember" xlink:label="loc_us-gaap_OffMarketFavorableLeaseMember_895DAECB3572A5270D22504E43A1421E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_61B3888136CB59C9D83D504E43A1EDE0" xlink:to="loc_us-gaap_OffMarketFavorableLeaseMember_895DAECB3572A5270D22504E43A1421E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_8BDEFCBBEF3AA8D87796504E43A12077" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_us-gaap_Land_8BDEFCBBEF3AA8D87796504E43A12077" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentBuildingAndBuildingImprovements" xlink:label="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_19F8CD0FCD7E837DDF47504E43A128D6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_19F8CD0FCD7E837DDF47504E43A128D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_98AADC49E96BAF5536FD504E43A1D05E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_us-gaap_OtherAssets_98AADC49E96BAF5536FD504E43A1D05E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_C85AD5557120DA5F0C73504E43A1CA8E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_C85AD5557120DA5F0C73504E43A1CA8E" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FinitelivedIntangibleLiabilitiesAcquired" xlink:label="loc_fr_FinitelivedIntangibleLiabilitiesAcquired_E8D4D482742325822C75504E43A17FDD" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_fr_FinitelivedIntangibleLiabilitiesAcquired_E8D4D482742325822C75504E43A17FDD" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_AcquiredFinitelivedIntangibleLiabilitiesWeightedAverageUsefulLife" xlink:label="loc_fr_AcquiredFinitelivedIntangibleLiabilitiesWeightedAverageUsefulLife_EC93B0C71E534EB0D38A504E43A17772" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_fr_AcquiredFinitelivedIntangibleLiabilitiesWeightedAverageUsefulLife_EC93B0C71E534EB0D38A504E43A17772" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_2455F3429A251529BB22504E43A15062" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_2455F3429A251529BB22504E43A15062" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PurchasePrice" xlink:label="loc_fr_PurchasePrice_0FBB88AF97D2C028B7AE504E43A14A02" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_FD5AC7C2FF4945988934504E43A19112" xlink:to="loc_fr_PurchasePrice_0FBB88AF97D2C028B7AE504E43A14A02" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/InvestmentInRealEstateInvestmentInRealEstateTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/Organization" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/OrganizationAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="fr-20170930.xsd#fr_OrganizationAndFormationOfCompanyLineItems" xlink:label="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_BD256EE5C929D968D7B17B8F22922247" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_BD256EE5C929D968D7B17B8F22922247" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_64CDC91625A1A9F92BE87B8F2292B258" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_BD256EE5C929D968D7B17B8F22922247" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_64CDC91625A1A9F92BE87B8F2292B258" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_771C72D12567B192D6497B8F22924730_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_64CDC91625A1A9F92BE87B8F2292B258" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_771C72D12567B192D6497B8F22924730_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_771C72D12567B192D6497B8F22924730" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_64CDC91625A1A9F92BE87B8F2292B258" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_771C72D12567B192D6497B8F22924730" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_OtherRealEstatePartnershipMember" xlink:label="loc_fr_OtherRealEstatePartnershipMember_26D33F89DE5D907CB2F27B8F22921E9B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_771C72D12567B192D6497B8F22924730" xlink:to="loc_fr_OtherRealEstatePartnershipMember_26D33F89DE5D907CB2F27B8F22921E9B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_096197931041775083A37B8F2292E5D2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_096197931041775083A37B8F2292E5D2" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_NumberOfLimitedPartnership" xlink:label="loc_fr_NumberOfLimitedPartnership_811723A114E70BBC500B7B8F2292BDD8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_fr_NumberOfLimitedPartnership_811723A114E70BBC500B7B8F2292BDD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_6A4DDF98C0069A7EE5F57B8F2292F527" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_6A4DDF98C0069A7EE5F57B8F2292F527" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_9AAAB712F36A2288EA927B8F2292C56A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_9AAAB712F36A2288EA927B8F2292C56A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_D8A82AF69CB2CC4479277B8F2293D142" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_D8A82AF69CB2CC4479277B8F2293D142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfRealEstateProperties" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_F6654FD310A4F02A21387B8F2293E91F" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_F6654FD310A4F02A21387B8F2293E91F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfStatesInWhichEntityOperates" xlink:label="loc_us-gaap_NumberOfStatesInWhichEntityOperates_B0B48D00D330B9C645077B8F2293E74B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_NumberOfStatesInWhichEntityOperates_B0B48D00D330B9C645077B8F2293E74B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AreaOfRealEstateProperty" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_70C8CBF96AAB1A41626F7B8F2293635D" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_OrganizationAndFormationOfCompanyLineItems_CB0246CFDBA0D0122D777B8F2292033C" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_70C8CBF96AAB1A41626F7B8F2293635D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/RelatedPartyTransactionsRelatedPartyTransactions" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/RelatedPartyTransactionsRelatedPartyTransactionsAdditionalInformationDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnership" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_D5B0C37E80C6C3AA25033AC38F6053A8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_D5B0C37E80C6C3AA25033AC38F6053A8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_91444A9BFAF17920DB5B3AC38F605894" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_D5B0C37E80C6C3AA25033AC38F6053A8" xlink:to="loc_dei_LegalEntityAxis_91444A9BFAF17920DB5B3AC38F605894" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_B2AC24425D690968E00D3AC38F606622_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_91444A9BFAF17920DB5B3AC38F605894" xlink:to="loc_dei_EntityDomain_B2AC24425D690968E00D3AC38F606622_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_B2AC24425D690968E00D3AC38F606622" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_91444A9BFAF17920DB5B3AC38F605894" xlink:to="loc_dei_EntityDomain_B2AC24425D690968E00D3AC38F606622" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_B37571F79CA49E8C662A3AC38F615BF5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_B2AC24425D690968E00D3AC38F606622" xlink:to="loc_fr_FirstIndustrialLPMember_B37571F79CA49E8C662A3AC38F615BF5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_79E691BCBD6E718159763AC38F61EC91" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_D5B0C37E80C6C3AA25033AC38F6053A8" xlink:to="loc_us-gaap_StatementClassOfStockAxis_79E691BCBD6E718159763AC38F61EC91" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7984838C87136D0A0E073AC38F610BCC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_79E691BCBD6E718159763AC38F61EC91" xlink:to="loc_us-gaap_ClassOfStockDomain_7984838C87136D0A0E073AC38F610BCC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7984838C87136D0A0E073AC38F610BCC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_79E691BCBD6E718159763AC38F61EC91" xlink:to="loc_us-gaap_ClassOfStockDomain_7984838C87136D0A0E073AC38F610BCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_7D0FCDF36DF1556E02613AC38F6142E8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7984838C87136D0A0E073AC38F610BCC" xlink:to="loc_us-gaap_CommonStockMember_7D0FCDF36DF1556E02613AC38F6142E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_1903DDF5ADC4CBCAF4A53AC38F61AB79" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_1903DDF5ADC4CBCAF4A53AC38F61AB79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_8825239991D78F9F2A703AC38F618C47" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_8825239991D78F9F2A703AC38F618C47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_A81251ACD1A731094D143AC38F6261D7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_A81251ACD1A731094D143AC38F6261D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_DAAC3062FC5B37B74E863AC38F6201B9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_DAAC3062FC5B37B74E863AC38F6201B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_396329025D38990CDB393AC38F624023" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_396329025D38990CDB393AC38F624023" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_16399C959D94108CCD9E3AC38F62ED7C" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_BA987CEFEE1288BAF31C3AC38F617012" xlink:to="loc_us-gaap_DividendsCommonStockCash_16399C959D94108CCD9E3AC38F62ED7C" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipSummaryOfChangesInNoncontrollingInterestDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterestLineItems" xlink:label="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterestTable" xlink:label="loc_us-gaap_MinorityInterestTable_F3D5FFBCDA72F858E03D4A90DEFDB755" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_MinorityInterestTable_F3D5FFBCDA72F858E03D4A90DEFDB755" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_E2F539902E2FA34500EB4A90DEFDB8A0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_F3D5FFBCDA72F858E03D4A90DEFDB755" xlink:to="loc_dei_LegalEntityAxis_E2F539902E2FA34500EB4A90DEFDB8A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5256C78D41A5130C1C9E4A90DEFDDBEF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_E2F539902E2FA34500EB4A90DEFDB8A0" xlink:to="loc_dei_EntityDomain_5256C78D41A5130C1C9E4A90DEFDDBEF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5256C78D41A5130C1C9E4A90DEFDDBEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_E2F539902E2FA34500EB4A90DEFDB8A0" xlink:to="loc_dei_EntityDomain_5256C78D41A5130C1C9E4A90DEFDDBEF" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_7FFEDE4FC99BA61BFADA4A90DEFD0947" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_5256C78D41A5130C1C9E4A90DEFDDBEF" xlink:to="loc_fr_FirstIndustrialLPMember_7FFEDE4FC99BA61BFADA4A90DEFD0947" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_64A84AB9204006143A284A90DEFD17AD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_F3D5FFBCDA72F858E03D4A90DEFDB755" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_64A84AB9204006143A284A90DEFD17AD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_C19EBE598F5F1082C3FD4A90DEFDEA99_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_64A84AB9204006143A284A90DEFD17AD" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_C19EBE598F5F1082C3FD4A90DEFDEA99_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_C19EBE598F5F1082C3FD4A90DEFDEA99" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_64A84AB9204006143A284A90DEFD17AD" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_C19EBE598F5F1082C3FD4A90DEFDEA99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_088BBEC87465219B7F134A90DEFD5575" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_C19EBE598F5F1082C3FD4A90DEFDEA99" xlink:to="loc_us-gaap_NoncontrollingInterestMember_088BBEC87465219B7F134A90DEFD5575" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_11CC3F4D53A37F3930474A90DEFD2989" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_F3D5FFBCDA72F858E03D4A90DEFDB755" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_11CC3F4D53A37F3930474A90DEFD2989" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_F0A32FEA038BF13BBBF14A90DEFDA98A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_11CC3F4D53A37F3930474A90DEFD2989" xlink:to="loc_us-gaap_EquityComponentDomain_F0A32FEA038BF13BBBF14A90DEFDA98A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_F0A32FEA038BF13BBBF14A90DEFDA98A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_11CC3F4D53A37F3930474A90DEFD2989" xlink:to="loc_us-gaap_EquityComponentDomain_F0A32FEA038BF13BBBF14A90DEFDA98A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_EF13B2B13005B7ED72F34A90DEFD9A24" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_F0A32FEA038BF13BBBF14A90DEFDA98A" xlink:to="loc_us-gaap_NoncontrollingInterestMember_EF13B2B13005B7ED72F34A90DEFD9A24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_31810BE6B932F9024CC14A90DEFD0DE3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_MinorityInterest_31810BE6B932F9024CC14A90DEFD0DE3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_23AAD10BC54627B72B504A90DEFD75BC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_23AAD10BC54627B72B504A90DEFD75BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_A96C3CB90FAF96D5E6B24A90DEFD9E24" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_A96C3CB90FAF96D5E6B24A90DEFD9E24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_FA4F57D0FB1B0CA5BBA74A90DEFD013A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_DividendsCommonStockCash_FA4F57D0FB1B0CA5BBA74A90DEFD013A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalAccountContributions" xlink:label="loc_us-gaap_PartnersCapitalAccountContributions_F9C9D28938B8C183AAAD4A90DEFDCF3D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_PartnersCapitalAccountContributions_F9C9D28938B8C183AAAD4A90DEFDCF3D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_A81D4D00DF91270960984A90DEFD9393" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_A81D4D00DF91270960984A90DEFD9393" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_08369E7D10032639A84B4A90DEFD6451" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_08369E7D10032639A84B4A90DEFD6451" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_4BCC86D3FAA9BCB4A9ED4A90DEFDC73F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_4BCC86D3FAA9BCB4A9ED4A90DEFDC73F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_8708072AE365D7C2E87E4A90DEFD7BD1" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_8708072AE365D7C2E87E4A90DEFD7BD1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_4D52CB2E67BF6FE7FFB74A90DEFD091D" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_60D348ACE22187964FE94A90DEFD681D" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_4D52CB2E67BF6FE7FFB74A90DEFD091D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_D43CCF10279BFBF24F712F42317C7CBB" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_74DFB4E0C6298FCF51522F42317BC08E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_D43CCF10279BFBF24F712F42317C7CBB" xlink:to="loc_us-gaap_StatementTable_74DFB4E0C6298FCF51522F42317BC08E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_0507852231EA9E45068D2F42317BC653" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_74DFB4E0C6298FCF51522F42317BC08E" xlink:to="loc_dei_LegalEntityAxis_0507852231EA9E45068D2F42317BC653" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_2B3AAB7E06D762B6D8CC2F42317CAE33_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_0507852231EA9E45068D2F42317BC653" xlink:to="loc_dei_EntityDomain_2B3AAB7E06D762B6D8CC2F42317CAE33_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_2B3AAB7E06D762B6D8CC2F42317CAE33" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_0507852231EA9E45068D2F42317BC653" xlink:to="loc_dei_EntityDomain_2B3AAB7E06D762B6D8CC2F42317CAE33" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_FirstIndustrialLPMember" xlink:label="loc_fr_FirstIndustrialLPMember_FE573717D2D2676B61442F42317C1F37" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_2B3AAB7E06D762B6D8CC2F42317CAE33" xlink:to="loc_fr_FirstIndustrialLPMember_FE573717D2D2676B61442F42317C1F37" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_NoncontrollingInterestRollforwardTableTextBlock" xlink:label="loc_fr_NoncontrollingInterestRollforwardTableTextBlock_13CE809AD3815A7748092F42317C0502" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D43CCF10279BFBF24F712F42317C7CBB" xlink:to="loc_fr_NoncontrollingInterestRollforwardTableTextBlock_13CE809AD3815A7748092F42317C0502" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/SubsequentEvents" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/SubsequentEventsAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_EC316BC9B3AE572E9693504E4348697C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_B3E25BF028D2ADE1CF3C504E43475913" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_EC316BC9B3AE572E9693504E4348697C" xlink:to="loc_us-gaap_SubsequentEventTable_B3E25BF028D2ADE1CF3C504E43475913" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityAxis" xlink:label="loc_fr_InvestmentinRealEstateActivityAxis_E13A0AACCB98941B9E9C504E4347D5BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_B3E25BF028D2ADE1CF3C504E43475913" xlink:to="loc_fr_InvestmentinRealEstateActivityAxis_E13A0AACCB98941B9E9C504E4347D5BE" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityDomain" xlink:label="loc_fr_InvestmentinRealEstateActivityDomain_37BEA8A72C3952AD7715504E4347372F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_fr_InvestmentinRealEstateActivityAxis_E13A0AACCB98941B9E9C504E4347D5BE" xlink:to="loc_fr_InvestmentinRealEstateActivityDomain_37BEA8A72C3952AD7715504E4347372F_default" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_InvestmentinRealEstateActivityDomain" xlink:label="loc_fr_InvestmentinRealEstateActivityDomain_37BEA8A72C3952AD7715504E4347372F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_fr_InvestmentinRealEstateActivityAxis_E13A0AACCB98941B9E9C504E4347D5BE" xlink:to="loc_fr_InvestmentinRealEstateActivityDomain_37BEA8A72C3952AD7715504E4347372F" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_DispositionActivityMember" xlink:label="loc_fr_DispositionActivityMember_0C8D13E5B0F53BC2A406504E43472966" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_InvestmentinRealEstateActivityDomain_37BEA8A72C3952AD7715504E4347372F" xlink:to="loc_fr_DispositionActivityMember_0C8D13E5B0F53BC2A406504E43472966" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_AcquisitionActivityMember" xlink:label="loc_fr_AcquisitionActivityMember_359C03771F43014703DC504E43478CD1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fr_InvestmentinRealEstateActivityDomain_37BEA8A72C3952AD7715504E4347372F" xlink:to="loc_fr_AcquisitionActivityMember_359C03771F43014703DC504E43478CD1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_E1EE11EF1DAF610F0967504E43476CC3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_B3E25BF028D2ADE1CF3C504E43475913" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_E1EE11EF1DAF610F0967504E43476CC3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_905D645C42F823108FD1504E4347F1CF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_E1EE11EF1DAF610F0967504E43476CC3" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_905D645C42F823108FD1504E4347F1CF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_905D645C42F823108FD1504E4347F1CF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_E1EE11EF1DAF610F0967504E43476CC3" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_905D645C42F823108FD1504E4347F1CF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_4DCC22E1E143CC9F87F9504E43483922" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_905D645C42F823108FD1504E4347F1CF" xlink:to="loc_us-gaap_SubsequentEventMember_4DCC22E1E143CC9F87F9504E43483922" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfRealEstateProperties" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_327C0334A0357DA56BA2504E43481D4D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_EC316BC9B3AE572E9693504E4348697C" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_327C0334A0357DA56BA2504E43481D4D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfBuildings" xlink:label="loc_us-gaap_ProceedsFromSaleOfBuildings_CA35BA7DC259B45C92E5504E4348DC76" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_EC316BC9B3AE572E9693504E4348697C" xlink:to="loc_us-gaap_ProceedsFromSaleOfBuildings_CA35BA7DC259B45C92E5504E4348DC76" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_PurchasePrice" xlink:label="loc_fr_PurchasePrice_A036FA63017039624A25504E43480F24" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_EC316BC9B3AE572E9693504E4348697C" xlink:to="loc_fr_PurchasePrice_A036FA63017039624A25504E43480F24" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/VariableInterestEntities" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/VariableInterestEntitiesSummarizedBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_E8EF05C37F404CD646262F42312F27B7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_5EBE06DDFB250CA6F4582F42312FFD1D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_E8EF05C37F404CD646262F42312F27B7" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_5EBE06DDFB250CA6F4582F42312FFD1D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_82ACE67A0B2BCCD8A7A42F42312F54BB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_5EBE06DDFB250CA6F4582F42312FFD1D" xlink:to="loc_dei_LegalEntityAxis_82ACE67A0B2BCCD8A7A42F42312F54BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_7ACC2359F7A7D95D91D92F42312FF14E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_82ACE67A0B2BCCD8A7A42F42312F54BB" xlink:to="loc_dei_EntityDomain_7ACC2359F7A7D95D91D92F42312FF14E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_7ACC2359F7A7D95D91D92F42312FF14E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_82ACE67A0B2BCCD8A7A42F42312F54BB" xlink:to="loc_dei_EntityDomain_7ACC2359F7A7D95D91D92F42312FF14E" xlink:type="arc" />
    <link:loc xlink:href="fr-20170930.xsd#fr_OtherRealEstatePartnershipMember" xlink:label="loc_fr_OtherRealEstatePartnershipMember_E8E1C976DDA55FEC87582F42312FD0F2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_7ACC2359F7A7D95D91D92F42312FF14E" xlink:to="loc_fr_OtherRealEstatePartnershipMember_E8E1C976DDA55FEC87582F42312FD0F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_5096D7A029E9D29508402F42312F17BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_E8EF05C37F404CD646262F42312F27B7" xlink:to="loc_us-gaap_AssetsAbstract_5096D7A029E9D29508402F42312F17BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_2E1B67B184729C5CF0BA2F42312F9F5E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5096D7A029E9D29508402F42312F17BE" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_2E1B67B184729C5CF0BA2F42312F9F5E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_C9438DCCD2E2693E1E2E2F42312F18E2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5096D7A029E9D29508402F42312F17BE" xlink:to="loc_us-gaap_OtherAssets_C9438DCCD2E2693E1E2E2F42312F18E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_B482F5C74C9830D6DB962F42312F4412" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5096D7A029E9D29508402F42312F17BE" xlink:to="loc_us-gaap_Assets_B482F5C74C9830D6DB962F42312F4412" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_58DFFCE18F30086904862F42312F49FC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_E8EF05C37F404CD646262F42312F27B7" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_58DFFCE18F30086904862F42312F49FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_D55AEF4DE5690676859A2F42312FC474" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_58DFFCE18F30086904862F42312F49FC" xlink:to="loc_us-gaap_SecuredDebt_D55AEF4DE5690676859A2F42312FC474" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_BE882A7803CEF99A2E872F42312FF4AA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_58DFFCE18F30086904862F42312F49FC" xlink:to="loc_us-gaap_OtherLiabilities_BE882A7803CEF99A2E872F42312FF4AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapital" xlink:label="loc_us-gaap_PartnersCapital_BC36D05E2E5C5C9D8A3E2F42312F4CF7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_58DFFCE18F30086904862F42312F49FC" xlink:to="loc_us-gaap_PartnersCapital_BC36D05E2E5C5C9D8A3E2F42312F4CF7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_0A1149E3026A1C457BD92F42312F0963" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_58DFFCE18F30086904862F42312F49FC" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_0A1149E3026A1C457BD92F42312F0963" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.firstindustrial.com/role/VariableInterestEntitiesTables" xlink:type="extended" />
</link:linkbase>