/ Dictionary / Index B betray: Meaning and Definition of Find definitions for: be•tray Pronunciation: (bi-trā'), [key] — v.t. to deliver or expose to an enemy by treachery or disloyalty: Benedict Arnold betrayed his country. to be unfaithful in guarding, maintaining, or fulfilling: to betray a trust. to disappoint the hopes or expectations of; be disloyal to: to betray one's friends. to reveal or disclose in violation of confidence: to betray a secret. to reveal unconsciously (something one would preferably conceal): Her nervousness betrays her insecurity. to show or exhibit; reveal; disclose: an unfeeling remark that betrays his lack of concern. to deceive, misguide, or corrupt: a young lawyer betrayed by political ambitions into irreparable folly. to seduce and desert. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: betray (Thesaurus) betook betroth Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language