For·feit, v. t. [imp. & p. p. Forfeited; p. pr. & vb. n. Forfeiting.] To lose, or lose the right to, by some error, fault, offense, or crime; to render one's self by misdeed liable to be deprived of; to alienate the right to possess, by some neglect or crime; as, to forfeit an estate by treason; to forfeit reputation by a breach of promise; -- with to before the one acquiring what is forfeited.
[They] had forfeited their property by their crimes. --Burke.
Undone and forfeited to cares forever! --Shak.