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Meaning of betray

be•tray

Pronunciation: (bi-trā'), [key]
— v.t.
  1. to deliver or expose to an enemy by treachery or disloyalty: Benedict Arnold betrayed his country.
  2. to be unfaithful in guarding, maintaining, or fulfilling: to betray a trust.
  3. to disappoint the hopes or expectations of; be disloyal to: to betray one's friends.
  4. to reveal or disclose in violation of confidence: to betray a secret.
  5. to reveal unconsciously (something one would preferably conceal): Her nervousness betrays her insecurity.
  6. to show or exhibit; reveal; disclose: an unfeeling remark that betrays his lack of concern.
  7. to deceive, misguide, or corrupt: a young lawyer betrayed by political ambitions into irreparable folly.
  8. to seduce and desert.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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