Synonyms and related words :
loose, loosen, unbar, unbind, unbolt, unbridle, unbuckle, uncage, unchain, unfetter, unhandcuff, unhobble, unlash, unlatch, unleash, unlock, unloose, unloosen, unmanacle, unmuzzle, unpen, unpinion, unshackle, unstrap, untether, untie, untruss, unyoke