/ Dictionary / Index I illume: Meaning and Definition of Find definitions for: il•lume Pronunciation: (i-lm'), [key] — -lumed, -lum•ing. to illuminate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: illume (Thesaurus) illude illuminable Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language