noun, Christ·mas often attributive \ˈkris-məs\

: a Christian holiday that is celebrated on December 25 in honor of the birth of Jesus Christ or the period of time that comes before and after this holiday

Full Definition of CHRISTMAS

:  a Christian feast on December 25 or among some Eastern Orthodox Christians on January 7 that commemorates the birth of Christ and is usually observed as a legal holiday
Christ·mas·sy or Christ·masy \-mə-sē\ adjective

Examples of CHRISTMAS

  1. We're spending Christmas with my parents.
  2. We had a very happy Christmas this year.
  3. I wish you all a merry Christmas.


Middle English Christemasse, from Old English Cristes mæsse, literally, Christ's mass
First Known Use: before 12th century

Rhymes with CHRISTMAS

CHRISTMAS Defined for Kids


noun Christ·mas \ˈkris-məs\

Definition of CHRISTMAS for Kids

:  December 25 celebrated in honor of the birth of Jesus Christ
July 28, 2015
pachyderm Hear it
an elephant
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears