<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-08-11</periodOfReport>
    <issuer>
        <issuerCik>0000892533</issuerCik>
        <issuerName>HAGGAR CORP</issuerName>
        <issuerTradingSymbol>HGGR</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001250846</rptOwnerCik>
            <rptOwnerName>KAHN THOMAS GRAMM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KAHN BROTHERS &amp; CO., INC.</rptOwnerStreet1>
            <rptOwnerStreet2>555 MADISON AVENUE, 22ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><transactionDate><value>2003-08-11</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10000</value></transactionShares><transactionPricePerShare><value>13.95</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>762969</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Officer</value><footnoteId id="F1"/></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>29600</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Trustee</value><footnoteId id="F2"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>35000</value><footnoteId id="F3"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Trustee</value><footnoteId id="F3"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>25000</value><footnoteId id="F4"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Officer</value><footnoteId id="F4"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1200</value><footnoteId id="F5"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Trustee</value><footnoteId id="F5"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1500</value><footnoteId id="F6"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Custodian</value><footnoteId id="F6"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1500</value><footnoteId id="F7"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Custodian</value><footnoteId id="F7"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1500</value><footnoteId id="F8"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Custodian</value><footnoteId id="F8"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>3500</value><footnoteId id="F9"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Trustee</value><footnoteId id="F9"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1000</value><footnoteId id="F10"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Trustee</value><footnoteId id="F10"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>500</value><footnoteId id="F11"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Spouse</value><footnoteId id="F11"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>COMMON STOCK, $0.10 PAR VALUE</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>12800</value><footnoteId id="F12"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><footnotes><footnote id="F1">Represents shares held on behalf of clients of Kahn Brothers &amp; Co., Inc. (&quot;Kahn Brothers&quot;) over which Kahn Brothers has dispositive power.  The Reporting Person is an officer of Kahn Brothers.  The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote><footnote id="F2">Represents shares held in the name of Kahn Brothers &amp; Co. Profit Sharing Plan &amp; Trust, of which the Reporting Person is a trustee.  The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote><footnote id="F3">Represents shares held in the name of Kahn Brothers Value Fund LP, of which the Reporting Person is a trustee.  The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote><footnote id="F4">Represents shares held in the name of Kahn Brothers &amp; Partners LP, of which the Reporting Person is an officer.  The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote><footnote id="F5">Represents shares held in the name of Kahn Brothers &amp; Co. Profit Sharing Plan Voluntary Contributions Section, of which the Reporting Person is a trustee.  The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote><footnote id="F6">Represents shares held in the name of Thomas G. Kahn Custody Account F/B/O Andrew Kahn, over which the Reporting Person has dispositive power.  The Reporting Person disclaims beneficial ownership of such shares.</footnote><footnote id="F7">Represents shares held in the name of Thomas G. Kahn Custody Account F/B/O Elizabeth Kahn, over which the Reporting Person has dispositive power.  The Reporting Person disclaims beneficial ownership of such shares.</footnote><footnote id="F8">Represents shares held in the name of Thomas G. Kahn Custody Account F/B/O Victoria Kahn, over which the Reporting Person has dispositive power.  The Reporting Person disclaims beneficial ownership of such shares.</footnote><footnote id="F9">Represents shares held in the name of Ackerman Institute for Family Therapy Ruth Perl Kahn Fund, of which the Reporting Person is a trustee.  The Reporting Person disclaims beneficial ownership of such shares.</footnote><footnote id="F10">Represents shares held in the name of Michele &amp; Thomas G. Kahn Foundation, Inc., of which the Reporting Person is a trustee.  The Reporting Person disclaims beneficial ownership of such shares.</footnote><footnote id="F11">Represents sharesheld in the name of the IRA for Michele Kahn, the spouse of the Reporting Person.  The Reporting Person disclaims beneficial ownership of such shares.</footnote><footnote id="F12">Includes shares held in IRA accounts of the Reporting Person.</footnote></footnotes><remarks/><ownerSignature><signatureName>THOMAS G. KAHN</signatureName><signatureDate>2003-08-12</signatureDate></ownerSignature></ownershipDocument>

