jauntily UK /ˈdʒɔːn.tɪ.li/US /ˈd͡ʒɑn.tɪ.li/ adverb3 •In an airy, showy, or affected manner. •In an ostentatiously self-confident manner.[He] walked quite jauntily across the courtyard to the distant door, his sandals clacking against the marble. — 1966 •In a dapper or stylish manner. formsmore jauntily · most jauntily