treacherous - Dictionary definition and pronunciation - Yahoo! Education

Definition of treacherous

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treach·er·ous  audio  (trchr-s) KEY 

ADJECTIVE:
  1. Marked by betrayal of fidelity, confidence, or trust; perfidious. See Synonyms at faithless.
  2. Not to be relied on; not dependable or trustworthy.
  3. Marked by unforeseen hazards; dangerous or deceptive: treacherous waters.


OTHER FORMS:
treacher·ous·ly(Adverb), treacher·ous·ness(Noun)


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