/ Dictionary / Index I illumine: Meaning and Definition of Find definitions for: il•lu•mine Pronunciation: (i-l'min), [key] — -mined, -min•ing. to illuminate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: illumine (Thesaurus) illuminator illuminism Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language