/ Dictionary / Index C coexist: Meaning and Definition of Find definitions for: co•ex•ist Pronunciation: (kō"ig-zist'), [key] — v.i. to exist together or at the same time. to exist separately or independently but peaceably, often while remaining rivals or adversaries: Although their ideologies differ greatly, the two great powers must coexist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: coexist (Thesaurus) coexecutrix coexistence Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language