/ Dictionary / Index I -itive: Meaning and Definition of Find definitions for: -itive Pronunciation: [key] a suffix occurring in substantives of Latin origin: definitive; fugitive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. -itis it'll Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language