/ Dictionary / Index D detonate: Meaning and Definition of Find definitions for: det•o•nate Pronunciation: (det'n-āt"), [key] — v., -nat•ed, -nat•ing. —v.i. to explode with suddenness and violence. —v.t. to cause (something explosive) to explode. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: detonate (Thesaurus) detinue detonation Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language