| Unbutton (v. t.) To loose the buttons of; to unfasten. Thesaurus Entries cast off, detach, disengage, doff, free, liberate, loose, loosen, release, remove, take off, unbar, unbind, unbolt, unbuckle, unchain, unclasp, undo, unfasten, unfetter, unglue, unlace, unlatch, unleash, unlock, unloose, unloosen, unstick, unstrap, untie, weigh anchor |