/ Dictionary / Index A apostolic: Meaning and Definition of Find definitions for: ap•os•tol•ic Pronunciation: (ap"u-stol'ik), [key] — adj. of or characteristic of an apostle. pertaining to or characteristic of the 12 apostles. derived from the apostles in regular succession. of or pertaining to the pope; papal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: apostolic (Thesaurus) apostolate apostolic age Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language