vaunt /vɔːnt/verb 3noun 2forms 5 verb3 •To speak boastfully. •To speak boastfully about. •To boast of; to make a vain display of; to display with ostentation.Charity vaunteth not itself, is not puffed up. — 1611 noun2 •An instance of vaunting; a boast.the spirits beneath, whom I seduced / with other promises and other vaunts — 1667 •(no longer used) The first part. formsvaunted · vaunting · vaunteth · vaunts · vauntest