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