/ Dictionary / Index C Christianity: Meaning and Definition of Find definitions for: Chris•ti•an•i•ty Pronunciation: (kris"chē-an'i-tē), [key] — pl. -ties. the Christian religion, including the Catholic, Protestant, and Eastern Orthodox churches. Christian beliefs or practices; Christian quality or character: Christianity mixed with pagan elements; the Christianity of Augustine's thought. a particular Christian religious system: She followed fundamentalist Christianity. the state of being a Christian. Christendom. conformity to the Christian religion or to its beliefs or practices. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: christianity (Thesaurus) Christianism Christianize Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language