WordReference Random House Learner's Dictionary of American English © 2026
def•a•ma•tion /ˌdɛfəˈmeɪʃən/USA pronunciation n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- the act of defaming:He sued the newspaper for defamation of character.
def•a•ma•tion
(def′ə mā′shən),USA pronunciation n.
- 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' also found in these entries (note: many are not synonyms or translations):