fasten Antonyms

unfasten untie unlock unlink unleash unlatch unlash unlace unknot unhook unhitch unhand unloose unloosen unthread unstitch unstick unseal unscrew unravel unpinion unpin unpen unmuzzle unmanacle unglue unfix unbinding tear sunder subdivide subdividing split spew spall spaced snapping unbind unbolt unbox unfetter unearth undo uncouple uncombine unclench unclasp unchain unbutton unbuckle