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forswear

American  
[fawr-swair] / fɔrˈswɛər /
Also foreswear

verb (used with object)

forswore, forsworn, forswearing
  1. to reject or renounce under oath.

    to forswear an injurious habit.

    Synonyms:
    abandon, forsake, forgo, relinquish, abjure
  2. to deny vehemently or under oath.

  3. to perjure (oneself ).


verb (used without object)

forswore, forsworn, forswearing
  1. to swear falsely; commit perjury.

forswear British  
/ fɔːˈswɛə /

verb

  1. (tr) to reject or renounce with determination or as upon oath

  2. (tr) to deny or disavow absolutely or upon oath

    he forswore any knowledge of the crime

  3. to perjure (oneself)

"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

Other Word Forms

  • forswearer noun

Etymology

Origin of forswear

First recorded before 900; Middle English forsweren, Old English forswerian; see origin at for-, swear

Explanation

To forswear is to give up an idea, belief, or habit that you’ve had previously. New Year’s is a popular time to forswear anything from sweets to bad relationships. When you forswear, you abandon something completely. In Romeo and Juliet, Romeo is at first smitten by the maiden Rosaline, but once he lays eyes on Juliet, Rosaline is history. He says of Juliet, “Did my heart love till now? Forswear it, sight, for I ne’er saw true beauty till this night.”

Keep Reading on Vocabulary.com

Vocabulary lists containing forswear

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Question No. 28 asked whether they swore allegiance to the U.S. and would forswear allegiance to the Japanese emperor.

From Seattle Times • May 29, 2024

He said this would be the "challenge for this year" as he urged leaders to "forswear wedge issues" that render their opponents their enemies.

From BBC • Dec. 31, 2023

While I have yet to forswear friendship and its succor entirely — maybe one day!

From New York Times • Jul. 12, 2022

But some FDA watchers say those steps are not enough and that the agency should forswear use of an emergency authorization for a vaccine.

From Washington Post • Sep. 22, 2020

Or we can deny our brokenness, forswear compassion, and, as a result, deny our own humanity.

From "Just Mercy" by Bryan Stevenson