[ fawr-swair ]
/ fɔrˈswɛər /

verb (used with object), for·swore, for·sworn, for·swearing.

to reject or renounce under oath: to forswear an injurious habit.
to deny vehemently or under oath.
to perjure (oneself).

verb (used without object), for·swore, for·sworn, for·swearing.

to swear falsely; commit perjury.

Origin of forswear

before 900; Middle English forsweren, Old English forswerian. See for-, swear


for·swear·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for forswear

British Dictionary definitions for forswear

/ (fɔːˈswɛə) /

verb -swears, -swearing, -swore or -sworn

(tr) to reject or renounce with determination or as upon oath
(tr) to deny or disavow absolutely or upon oathhe forswore any knowledge of the crime
to perjure (oneself)

Derived forms of forswear

forswearer, noun

Word Origin for forswear

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