betrayal

noun be·tray·al \ bi-ˈtrā(-ə)l , bē- \

Definition of betrayal

plural betrayals
1 : the act of betraying someone or something or the fact of being betrayed : violation of a person's trust or confidence, of a moral standard, etc.
  • the betrayal of a friend
  • a betrayal of trust
  • a betrayal of one's principles
  • A man who built his entire administration upon demanding unctuous loyalty from his allies now finds himself wounded by their shabby betrayal.
  • —Jack Hitt
  • The double life of an informant is a peculiar one, filled at the same time with tedium and betrayal.
  • —Karen Richardson
  • Even Jesus recognized that there was something paradoxical about his betrayal by Judas Iscariot—in three of the four canonical Gospels, with a kiss.
  • —David Gates
2 : revelation of something hidden or secret
  • a betrayal of one's true feelings
  • There was never doubt, never a betrayal of indecision.
  • —Jack London
  • … she had shrunk with irresistible dread from every course that could tend towards a betrayal of her miserable secret.
  • —George Eliot

First Known Use of betrayal

1788

in the meaning defined at sense 1

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