The Collaborative International Dictionary of English v.0.48:
Forfeit \For"feit\, v. t. [imp. & p. p. Forfeited; p. pr. &
vb. n. Forfeiting.] [OE. forfeten. See Forfeit, n.]
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.
Undone and forfeited to cares forever! --Shak.