Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

cyrillianism

noun, often capitalized
cy·ril·li·an·ism | \-lēəˌnizəm\
plural -s

Definition of cyrillianism 

: the doctrine of Cyril of Alexandria and his followers that Christ had a thoroughly unified divine-human nature

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!

Learn More about cyrillianism

Share cyrillianism

Resources for cyrillianism

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near cyrillianism

cyrilla

Cyrillaceae

Cyrillian

cyrillianism

Cyrillic

Cyrillic alphabet

Cyromys

Statistics for cyrillianism

Look-up Popularity

Comments on cyrillianism

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

Show Comments  Hide Comments 

WORD OF THE DAY

linchpin

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

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

Words at Play

Ask the Editors

Word Games