Breadcrumb Home > Dictionary > Index E exclusion: Meaning and Definition of Find definitions for: ex•clu•sion Pronunciation: (ik-skl'zhun), [key] — n. an act or instance of excluding. the state of being excluded. a keeping apart; blocking of an entrance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: exclusion (Thesaurus) exclude exclusionary rule ✖ Related Content Daily Word Quiz: musth Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language