/ Dictionary / Index E excommunication: Meaning and Definition of Find definitions for: ex•com•mu•ni•ca•tion Pronunciation: (eks"ku-my"ni-kā'shun), [key] — n. the act of excommunicating. the state of being excommunicated. the ecclesiastical sentence by which a person is excommunicated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: excommunication (Thesaurus) excommunicate excommunicative 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