<p><strong>Verb (used with object)</strong></p><ul><li>to conquer or subdue by superior force, as in battle.</li><li>Synonyms: quell, crush, suppress, subjugate.</li><li>to defeat in any contest or conflict; be victorious over: to vanquish one's opponent in an argument.</li><li>to overcome or overpower: He vanquished all his fears.</li></ul>