Christianity

noun

Chris·​tian·​i·​ty ˌkris-chē-ˈa-nə-tē 

ˌkrish-,

-ˈcha-nə-,

ˌkris-tē-ˈa-

1

: the religion derived from Jesus Christ, based on the Bible as sacred scripture, and professed by Eastern, Roman Catholic, and Protestant bodies

2

: conformity to the Christian religion

3

: the practice of Christianity

Examples of Christianity in a Sentence

Recent Examples on the Web

The Byzantine Empire, which began in the 4th century AD, was a continuation of the Roman empire with its capital in Constantinople — today’s Istanbul — and Christianity as its official religion. —Omar Albam, Los Angeles Times, 9 June 2025

In the days before Christianity spread across Europe, pagan rituals took place in caves often containing springs. —Chadd Scott, Forbes.com, 7 June 2025

In another incident, according to the lawsuit, a Met Council janitor told Hamoud that Muslims were creating problems and leading to a conflict with Christianity. —Alex Derosier, Twin Cities, 6 June 2025

Over the past two months, Talarico and Noble’s verbal duels over the bill have served as an intra-evangelical debate over the role of Christianity in public life. —Saul Elbein, The Hill, 30 May 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for Christianity

• humanity
• inanity
• insanity
• profanity
• urbanity
• inhumanity
• sanity
• vanity

Kids Definition

Christianity

noun

Chris·​ti·​an·​i·​ty

ˌkris-chē-ˈan-ət-ē,

ˌkrish-,

-chan-;

ˌkris-tē-ˈan-

1

: the religion of Christians

2

: the practice of Christianity