/ Dictionary / Index I illusive: Meaning and Definition of Find definitions for: il•lu•sive Pronunciation: (i-l'siv), [key] — adj. illusory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: illusive (Thesaurus) illusionist illusory 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