WordReference Random House Learner's Dictionary of American English © 2019
def•a•ma•tion /ˌdɛfəˈmeɪʃən/USA pronunciation  n. [uncountable]
  • the act of defaming:He sued the newspaper for defamation of character.

  • WordReference Random House Unabridged Dictionary of American English © 2019
    def•a•ma•tion  (def′ə māshən),USA pronunciation n. 
    1. the act of defaming;
      false or unjustified injury of the good reputation of another, as by slander or libel;
      calumny:She sued the magazine for defamation of character.
    • Medieval Latin diffāmātiōn- (stem of diffāmātiō), equivalent. to Latin diffāmāt(us) (past participle of diffāmāre; see defame) + -iōn- -ion
    • 1275–1325; Middle English; replacing (by analogy with defame) Middle English diffamacioun

    Collins Concise English Dictionary © HarperCollins Publishers::

    defamation /ˌdɛfəˈmeɪʃən/ n
    1. the injuring of a person's good name or reputation
      Compare libel, slander
    2. the act of defaming or state of being defamed

    'defamation' also found in these entries:

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