Dictionary.com
definitions

Christianity

[kris-chee-an-i-tee]
|

noun, plural Chris·ti·an·i·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.

RELATED CONTENT

What Does Amen Mean At The End Of A Prayer?Weekends are when many Americans gather in their respective houses of worship and repeat the same word: amen. But, what does the word mean? And, why do people say it?
READ MORE
What is the exact meaning of “mosque” (and “temple” and “church” while we’re at it)?Debate is easy, and yelling is easier. How often, however, do people examine their most basic knowledge? Right now, the proposed construction of an Islamic worship center in relative proximity to “Ground Zero” in Manhattan is a nexus of conflict and emotion. The missing ingredient is definition. Let’s examine basic terms, starting with mosque. All the variants of “mosque” in European languages go back to the …
READ MORE

Origin of Christianity

1250–1300; Middle English cristianite < Latin chrīstiānitāt- (stem of chrīstiānitās), equivalent to chrīstiān- Christian + -itāt- -ity; replacing Middle English cristiente < Middle French < Latin, as above
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for christianity

British Dictionary definitions for christianity

Christianity

noun

the Christian religion
Christian beliefs, practices or attitudes
a less common word for Christendom (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for christianity

Christianity

n.

c.1300, cristente, "Christians as a whole; state of being a Christian," from Old French crestienté "Christendom; spiritual authority; baptism" (Modern French chrétienté), from Church Latin christianitatem (nominative christianitas), noun of state from christianus (see Christian). Gradually respelled to conform with Latin. Christendom is the older word for it. Old English also had cristennes.

Online Etymology Dictionary, © 2010 Douglas Harper
Culture definitions for christianity

Christianity

The religion based on the life and teachings of Jesus Christ. Christians (see also Christian) believe that Jesus Christ is the Messiah, sent by God. They believe that Jesus, by dying and rising from the dead, made up for the sin of Adam and thus redeemed the world, allowing all who believe in him to enter heaven. Christians rely on the Bible (see also Bible) as the inspired word of God. (See also gospel, Nativity, Resurrection, salvation (see also salvation), and Sermon on the Mount.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.