Chris·​tian·​ism | \ ˈkris-chə-ˌni-zəm How to pronounce Christianism (audio) , ˈkrish-\
plural -s

Definition of Christianism

: the religious system, tenets, or practices of Christians

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from Christianism

Christianist \ ˈkris-​chə-​nist How to pronounce Christianist (audio) , ˈkrish-​ \ noun, plural Christianists
But it is mistaken to think that even all Christianists feel the need for a nation under Christian law. For many, it is good enough to live in a state that prohibits behaviors at fundamental odds with their faith. — James G. Poulos, American Spectator, 26 June 2006

History and Etymology for Christianism

Middle French christianisme, from Late Latin christianismus, from Greek christianismos, from christianos Christian + -ismos -ism

Keep scrolling for more

Learn More about Christianism

Share Christianism

Statistics for Christianism

Look-up Popularity

Comments on Christianism

What made you want to look up Christianism? Please tell us where you read or heard it (including the quote, if possible).


a shady place in a garden or forest

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!