/ Dictionary / Index C credo: Meaning and Definition of Find definitions for: cre•do Pronunciation: (krē'dō, krā'-), [key] — pl. -dos. (often cap.) the Apostles' Creed or the Nicene Creed. (often cap.) a musical setting of the creed, usually of the Nicene Creed. any creed or formula of belief. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: credo (Thesaurus) creditworthy credulity Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language