(v. t.) To free from chains or slavery; to let loose.

cast off detach discharge disengage doff emancipate free liberate loose loosen manumit release remove take off unbar unbind unbolt unbridle unbuckle unbutton uncage unclasp undo unfasten unfetter ungag unglue unhandcuff unhobble unlace unlash unlatch unleash unlock unloose unloosen unmanacle unmuzzle unpen unpinion unshackle unstick unstrap untether untie untruss unyoke weigh anchor