<p><strong>Verb</strong></p><ul><li>(used with object) to deliver or expose to an enemy by treachery or disloyalty: Benedict Arnold betrayed his country.</li><li>to be unfaithful in guarding, maintaining, or fulfilling: to betray a trust.</li><li>to disappoint the hopes or expectations of; be disloyal to: to betray one's friends.</li><li>to reveal or disclose in violation of confidence: to betray a secret.</li><li>Synonyms: divulge, tell, expose, bare</li><li>Antonyms: conceal, hide</li><li>to reveal unconsciously (something one would preferably conceal): Her nervousness betrays her insecurity.</li><li>to show or exhibit; reveal; disclose: an unfeeling remark that betrays his lack of concern.</li><li>Synonyms: uncover, demonstrate, manifest, display</li><li>Antonyms: conceal, hide</li><li>to deceive, misguide, or corrupt: a young lawyer betrayed by political ambitions into irreparable folly.</li><li>to seduce and desert.</li></ul>