/ Dictionary / Index D defamatory: Meaning and Definition of Find definitions for: de•fam•a•to•ry Pronunciation: (di-fam'u-tôr"ē, -tōr"ē), [key] — adj. containing defamation; injurious to reputation; slanderous or libelous: She claimed that the article in the magazine was defamatory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: defamatory (Thesaurus) defamation defame Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language