1for·feit /ˈfoɚfət/ verb for·feits; for·feit·ed; for·feit·ing
: to lose or give up (something) as a punishment or because of a rule or law [+ obj] ▪ He forfeited his right to a trial by jury. ▪ If the money is not claimed within six months, it will be forfeited to the town. [=the owner of the money will lose any right to it] ▪ They didn't have enough players, so they ended up having to forfeit the game (to the other team). [no obj] ▪ They didn't have enough players, so they ended up having to forfeit.