Unbutton

Verb

 * 1)  To unfasten buttons
 * 2)  To open something by undoing its buttons

Thesaurus
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

Translations

 * Italian: sbottonare
 * Portuguese:


 * Romanian: descheia