[ def-uh-mey-shuh n ]
/ ˌdɛf əˈmeɪ ʃən /


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.

Origin of defamation

1275–1325; Middle English; replacing (by analogy with defame) Middle English diffamacioun < Medieval Latin diffāmātiōn- (stem of diffāmātiō), equivalent to Latin diffāmāt(us) (past participle of diffāmāre; see defame) + -iōn- -ion

Can be confused

defamation liable libel slander (see usage note at liable) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for defamation

British Dictionary definitions for defamation


/ (ˌdɛfəˈmeɪʃən) /


law the injuring of a person's good name or reputationCompare libel, slander
the act of defaming or state of being defamed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012