<p><strong>Adjective</strong></p><ul><li>lacking a top: tops: a topless bathing suit.</li><li>nude above the waist or hips: topless dancers.</li><li>featuring entertainers, waitresses, etc., who are nude above the waist or hips: a topless bar.</li><li>extremely high: a topless mountain.</li><li>Obsolete: without a peer.</li></ul>