Definition of perfidiousness

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  • perfidiousness is a valid Scrabble US word with a point value of 20
  • perfidiousness is a valid Scrabble UK word with a point value of 20
  • perfidiousness is a valid Words with friends word with a point value of 23

Definition of perfidiousness

  • betrayal of a trust (noun)

    Synonyms

    1. perfidy
    2. treachery

See definition of perfidiousness in Merriam Webster