Synonyms of betray in English:

betray

verb

  • 1 I trusted them and they betrayed me
    break one's promise to, be disloyal to, be unfaithful to, break faith with, play someone false, fail, let down; double-cross, deceive, cheat; inform on/against, give away, denounce, sell out, stab someone in the back, be a Judas to, give someone a Judas kiss, bite the hand that feeds one; turn traitor, sell the pass; English Lawturn Queen's/King's evidence
    informal split on, blow the whistle on, rat on, peach on, stitch up, do the dirty on, sell down the river, squeal on, squeak on
    British informal grass on, shop, sneak on
    North American informal rat out, drop a/the dime on, finger, job
    Australian/New Zealand informal dob on, pimp on, pool, shelf, put someone's pot on, point the bone at
    rare delate
    [Antonyms] be loyal to
  • 2 she hoped her face didn't betray her feelings
    reveal, disclose, divulge, give away, leak, lay bare, make known, uncover, unmask, expose, bring out into the open, tell; let slip, let out, let drop, blurt out; give the game away, let the cat out of the bag
    informal blab, spill
    archaic discover
    [Antonyms] conceal hide
  • Definition of betray in:

    Get more from Oxford Dictionaries

    Subscribe to remove adverts and access premium resources

    Word of the day envenom
    Pronunciation: ɪnˈvɛnəm
    verb
    put poison on or into; make poisonous