Definition from Wiktionary, the free dictionary
Alternative forms 
- Rhymes: -ɛə(r)
- (transitive) To renounce or deny something, especially under oath.
- I […] do forswear her.
- Like innocence, and as serenely bold / As truth, how loudly he forswears thy gold!
- (intransitive) To commit perjury.
To renounce or deny something, especially under oath.