/ Dictionary / Index C coincidence: Meaning and Definition of Find definitions for: co•in•ci•dence Pronunciation: (kō-in'si-duns), [key] — n. a striking occurrence of two or more events at one time apparently by mere chance: Our meeting in Venice was pure coincidence. the condition or fact of coinciding. an instance of this. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: coincidence (Thesaurus) coincide coincident Related Content Daily Word Quiz: drowsy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language