<p><strong>Verb</strong></p><ul><li>(used without object): frivolled, frivoling or (especially British) frivolled, frivoling: to behave frivolously; trifle.</li><li>(used with object): frivolled, frivoling or (especially British) frivolled, frivoling: to spend frivolously (usually followed by away): to frivol away one's time.</li></ul>