<p><strong>Verb (used with object)</strong></p><ul><li>to render utterly perplexed by something unexpected; puzzle completely</li><li>Synonyms: disconcert, confound, confuse, perplex</li></ul><p><strong>Noun</strong></p><ul><li>a state of utter perplexity: When the protagonist's wife suddenly disappears, he's at a nonplus and fights with two different feelings.</li></ul>