<p><strong>adjective</strong></p><ul><li>not open and aboveboard</li><li>secret and crafty or dishonorable</li><li>The firm's underhanded tactics and misrepresentation of data has created uncertainty and confusion.</li><li>underhand (def 1)</li><li>The pitcher made an underhanded throw to first base.</li><li>short-handed</li><li>By the time of the Navy game, Army usually finds itself underhanded.</li></ul>