Christianity

American  

[kris-chee-an-i-tee] / ˌkrɪs tʃiˈæn ɪ ti /

noun

Christianities plural

1. the Christian religion, including the Catholic, Protestant, and Eastern Orthodox churches.

2. Christian beliefs or practices; Christian quality or character.

   Christianity mixed with pagan elements; the Christianity of Augustine's thought.

3. a particular Christian religious system.

   She followed fundamentalist Christianity.

4. the state of being a Christian.

5. Christendom.

6. conformity to the Christian religion or to its beliefs or practices.

---

Christianity British  

/ ˌkrɪstɪˈænɪtɪ /

noun

1. the Christian religion

2. Christian beliefs, practices or attitudes

3. a less common word for Christendom

---

Christianity Cultural  

1. 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.)

---

Etymology

Origin of Christianity

First recorded in 1250–1300; Middle English cristianite, from Latin chrīstiānitāt-, stem of chrīstiānitās; equivalent to Christian + -ity; replacing Middle English cristiente, from Middle French, from Latin, as above

Example Sentences

I’d read somewhere that you had taken a break from practicing Christianity in recent years.

From Los Angeles Times • May 21, 2026

It was a moment of rapid growth for Christianity, as more people sought spirituality to balance their lives amid the country’s economic boom.

From The Wall Street Journal • May 19, 2026

In fact, many believers say the more authorities seek to suppress Christianity in China, the more the faith will spread and grow stronger.

From The Wall Street Journal • May 19, 2026

In the years since, Christianity has become a regular feature in fashion collections.

From Salon • May 17, 2026

He was not dismissing God altogether, nor was he dismissing Christianity.

From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman