treachery

play
noun treach·ery \-rē\

Definition of treachery

plural

treacheries

  1. 1 :  violation of allegiance or of faith and confidence :  treason

  2. 2 :  an act of perfidy or treason

Examples of treachery in a sentence

  1. a tale of treachery and revenge

  2. <was furious that she revealed his secret and never forgave her for the treachery>

Origin and Etymology of treachery

Middle English trecherie, from Anglo-French, from trecher, tricher to deceive, from Vulgar Latin *triccare — more at trick


First Known Use: 13th century


TREACHERY Defined for English Language Learners

treachery

play
noun treach·ery \-rē\

Definition of treachery for English Language Learners

  • : harmful things that are done usually secretly to a friend, your own country, etc.

  • : an act of harming someone who trusts you


TREACHERY Defined for Kids

treachery

play
noun treach·ery \ˈtre-chə-rē\

Definition of treachery for Students

plural

treacheries

  1. 1 :  the behavior of a person who betrays trust or faith <a tale of treachery and revenge>

  2. 2 :  an act or instance of betraying trust or faith <She was hurt by her friend's treacheries.>



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