Definition of


  1. (noun, act) an act of deliberate betrayal
  2. (noun, attribute) betrayal of a trust

via WordNet, Princeton University

Synonyms of Treachery

betrayal, perfidiousness, perfidy, treason

Alternate forms of Treachery

Derivations: treacherous

Hyponyms: double cross, double-crossing, insidiousness, sellout

Hypernyms: dishonesty, disloyalty, knavery

Origin of the word Treachery

  1. early 13c., from O.Fr. trecherie "deceit, cheating" (12c.), from trechier "to cheat, deceive" (see trick). more

via Online Etymology Dictionary, ©2001 Douglas Harper

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