/ Dictionary / Index I ignite: Meaning and Definition of Find definitions for: ig•nite Pronunciation: (ig-nīt'), [key] — v., -nit•ed, -nit•ing. —v.t. to set on fire; kindle. to heat intensely; roast. —v.i. to take fire; begin to burn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ignite (Thesaurus) ignis fatuus igniter Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language