/ Dictionary / Index D diatribe: Meaning and Definition of Find definitions for: di•a•tribe Pronunciation: (dī'u-trīb"), [key] — n. a bitter, sharply abusive denunciation, attack, or criticism: repeated diatribes against the senator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: diatribe (Thesaurus) diatreme diatropism Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language