/ Dictionary / Index I illustrative: Meaning and Definition of Find definitions for: il•lus•tra•tive Pronunciation: (i-lus'tru-tiv, il'u-strā"tiv), [key] — adj. serving to illustrate; explanatory: illustrative examples. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: illustrative (Thesaurus) illustrational illustrator Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language