<p><strong>Verb</strong></p><ul><li>(used with object) to free (buttons) from buttonholes; unfasten or undo.</li><li>to unfasten by or as if by unbuttoning: to unbutton a jacket.</li><li>to disclose (one's feelings, thoughts, etc.) after deliberate or prolonged silence.</li><li>(used without object) to unfasten a button or one's buttons.</li></ul><p><strong>End of Response</strong></p>