English dictionary

betray meaning and definition

BETRAY verb

Definition of betray (verb)

  1. reveal unintentionally
    • "Her smile betrayed her true feelings"
    • synonyms: bewray
  2. deliver to an enemy by treachery
    • "Judas sold Jesus"; "The spy betrayed his country"
    • synonyms: sell
  3. disappoint, prove undependable to; abandon, forsake
    • "His sense of smell failed him this time"; "His strength finally failed him"; "His children failed him in the crisis"
    • synonyms: fail
  4. be sexually unfaithful to one's partner in marriage
  5. give away information about somebody
  6. cause someone to believe an untruth
Source: Princeton University Wordnet