Definition of Judas kiss in US English:

Judas kiss


  • An act of betrayal, especially one disguised as a gesture of friendship.

    • ‘The fine acting held the audience, adults and teenagers throughout while the final, agonised Judas kiss brought some to tears.’
    disloyalty, treachery, perfidy, perfidiousness, bad faith, faithlessness, falseness
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Early 15th century: with biblical allusion (Matt. 26:48) to the betrayal of Christ by Judas Iscariot.