/ Dictionary / Index D deflagrate: Meaning and Definition of Find definitions for: def•la•grate Pronunciation: (def'lu-grāt"), [key] — -grat•ed, -grat•ing. to burn, esp. suddenly and violently. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deflagrate (Thesaurus) definitude deflate Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language