Verb
To reject or renounce upon oath; hence, to renounce earnestly, determinedly, or with protestations.
To deny upon oath.
To swear falsely; to commit perjury.
Source: Webster's dictionaryDid my heart love till now? forswear it, sight! For I ne'er saw true beauty till this night. William Shakespeare
Woe to the unlucky man who as a child is taught, even as a portion of his creed, what his grown reason must forswear. James Anthony Froude
We have, however, a clear mandate from the people, that Americans must forswear that conception of the acquisition of wealth which, through excessive profits, creates undue private power over private affairs and, to our misfortune, over public affairs as well. Franklin D. Roosevelt
Old man, forswear that dogged rumba Go home and yield to Christian slumba. Margaret Fishback
He retracted his earlier statements about his religion Source: Internet
She abjured her beliefs Source: Internet