/ Dictionary / Index A Athanasian Creed: Meaning and Definition of Find definitions for: Ath'ana'sian Creed' Pronunciation: [key] a creed or formulary of Christian faith, of unknown authorship, formerly ascribed to Athanasius. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Athanasian Athanasius Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language