1. (v. t.) To loosen, as something interlaced or knotted; to disengage the parts of; as, to untie a knot.

2. (v. t.) To free from fastening or from restraint; to let loose; to unbind.

3. (v. t.) To resolve; to unfold; to clear.

4. (v. i.) To become untied or loosed.

cast off detach disembarrass disembroil disencumber disengage disentangle 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 unscramble unshackle unstick unstrap untangle untether untruss untwine unyoke weigh anchor