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Christendom

American  
[kris-uhn-duhm] / ˈkrɪs ən dəm /

noun

  1. Christians collectively.

  2. the Christian world.

  3. Christianity.


Christendom British  
/ ˈkrɪsəndəm /

noun

  1. the collective body of Christians throughout the world or throughout history

  2. an obsolete word for Christianity

"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

Etymology

Origin of Christendom

before 900; Middle English; Old English cristendōm. See Christian, -dom

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

During the 1060s, Western Christendom was split by a major dispute in which two rival popes claimed authority.

From Science Daily Aug. 11, 2026

But Christendom, as an idea, dreams much bigger, beyond national borders.

From Slate Apr. 9, 2026

He was first buried in crypts under St. Peter's Basilica and moved in 2011 to a chapel on the main level of the largest church in Christendom.

From Reuters Dec. 30, 2022

Some of these programs have tiny reach — Christendom Curriculum had 100 subscribers as of September.

From Washington Post Dec. 23, 2022

This man can be called almost a new prince, since from being a weak ruler, through fame and glory he became the first king of Christendom.

From "The Prince" by Niccolò Machiavelli

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