/ Dictionary / Index I illude: Meaning and Definition of Find definitions for: il•lude Pronunciation: (i ld'), [key] — -lud•ed, -lud•ing. to deceive or trick. to mock or ridicule. to evade. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ill-treat illume 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