/ Dictionary / Index E exclusivism: Meaning and Definition of Find definitions for: ex•clu•siv•ism Pronunciation: (ik-skl'su-viz"um, -zu-), [key] — n. the practice of being exclusive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. exclusive representation excogitate Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language