Cyril

biographical name
Cyr·​il | \ˈsir-əl \

Definition of Cyril 

Saint circa 827–869 Constantine apostle to the Slavs

Learn More about Cyril

Dictionary Entries near Cyril

Cyrenaic

Cyrenaica

Cyrene

Cyril

cyrilla

Cyrillaceae

Cyrillian

Statistics for Cyril

Look-up Popularity

More from Merriam-Webster on Cyril

See words that rhyme with Cyril

Comments on Cyril

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

WORD OF THE DAY

playful or foolish behavior

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!