treachery

noun treach·ery \ -rē \

Definition of treachery

plural treacheries
1 :violation of allegiance or of faith and confidence :treason
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

Recent Examples of treachery from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'treachery.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of treachery

Middle English trecherie, from Anglo-French, from trecher, tricher to deceive, from Vulgar Latin *triccare — more at 1trick


TREACHERY Defined for English Language Learners

treachery

noun

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

noun treach·ery \ ˈtre-chə-rē \

Definition of treachery for Students

plural treacheries
1 :the behavior of a person who betrays trust or faith
  • a tale of treachery and revenge
2 :an act or instance of betraying trust or faith
  • She was hurt by her friend's treacheries.


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