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See more synonyms for perjure on Thesaurus.com
verb (used with object), per·jured, per·jur·ing.
  1. to render (oneself) guilty of swearing falsely or of willfully making a false statement under oath or solemn affirmation: The witness perjured herself when she denied knowing the defendant.
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Origin of perjure

1475–85; < Latin perjūrāre to swear falsely, equivalent to per- through, i.e., beyond the limits (see per-) + jūrāre to swear, literally, to be at law, derivative of jūs jus
Related formsper·jure·ment, nounper·jur·er, nounun·per·jur·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for perjurer

Historical Examples

  • "You speak with marvellous accuracy, Master Lawson," returned the perjurer.

    The Shadow of a Crime

    Hall Caine

  • Not to believe Him is to make Him both a liar and a perjurer.

    George Muller of Bristol

    Arthur T. Pierson

  • Harold had been branded a perjurer for abjuring a forced oath.

    The Siege of Norwich Castle

    Matilda Maria Blake

  • Guido swooned and awoke in his cell, an assassin, a thief, a perjurer.

    Very Woman

    Remy de Gourmont

  • You will there find seated a God who is merciless to the perjurer.

British Dictionary definitions for perjurer


  1. (tr) criminal law to render (oneself) guilty of perjury
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Derived Formsperjurer, noun

Word Origin

C15: from Old French parjurer, from Latin perjūrāre, from per- + jūrāre to make an oath, from jūs law
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for perjurer



mid-15c. "swear falsely" (implied in perjured; late 13c. in Anglo-French), from Old French parjurer "to break one's word, renege on a promise" (11c.), from Latin periurare "to swear falsely, break one's oath" (see perjury). Reflexive sense is from 18c.

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Online Etymology Dictionary, © 2010 Douglas Harper