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[fawr-swair] /fɔrˈswɛər/
verb (used with object), forswore, forsworn, forswearing.
to reject or renounce under oath:
to forswear an injurious habit.
to deny vehemently or under oath.
to perjure (oneself).
verb (used without object), forswore, forsworn, forswearing.
to swear falsely; commit perjury.
Origin of forswear
before 900; Middle English forsweren, Old English forswerian. See for-, swear
Related forms
forswearer, noun
1. abjure, relinquish, forgo, forsake, abandon. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for forswear
Contemporary Examples
Historical Examples
  • The old girl must be protected from that sort of eye-opener, if I've to forswear my soul.

    Romance Joseph Conrad and F.M. Hueffer
  • He would not forswear his fathers' faith and did not understand what the priest said.

    From Pole to Pole

    Sven Anders Hedin
  • “Then I forswear all rash promises for the future,” he declared.

    That Girl Montana Marah Ellis Ryan
  • All the world seemed bent on compelling her to forswear herself.

    The Madigans Miriam Michelson
  • What is the secret of thy ring that a man must forswear love for it?

    Operas Every Child Should Know

    Mary Schell Hoke Bacon
  • The Tunker says that I must forswear myself to become a Christian.

    In The Boyhood of Lincoln Hezekiah Butterworth
  • But what right had he to defend from gallantry the woman he was about to forswear before the world?

    Excuse Me! Rupert Hughes
  • If you would belong to me, forswear all of which this is the emblem.

  • I abhor myself, and from this hour, I forswear all woman-kind for your sake.

    Self-control Mary Brunton
British Dictionary definitions for forswear


verb -swears, -swearing, -swore, -sworn
(transitive) to reject or renounce with determination or as upon oath
(transitive) to deny or disavow absolutely or upon oath: he forswore any knowledge of the crime
to perjure (oneself)
Derived Forms
forswearer, noun
Word Origin
Old English forswearian
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
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Word Origin and History for forswear

Old English forswerian "swear falsely," also "abandon or renounce on oath," from for- "completely" + swerian "to swear." Related: Forswore; forsworn; forswearing.

Online Etymology Dictionary, © 2010 Douglas Harper
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