Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

centennial

play
noun cen·ten·ni·al \sen-ˈte-nē-əl\

Simple Definition of centennial

  • : the 100th anniversary of something (such as an important event)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of centennial

  1. :  a 100th anniversary or its celebration

centennial adjective
centennially play \-ə-lē\ adverb

Origin of centennial

Latin centum + English -ennial (as in biennial)


First Known Use: 1876

Other Calendar Terms


CENTENNIAL Defined for Kids

centennial

play
noun cen·ten·ni·al \sen-ˈte-nē-əl\

Definition of centennial for Students

  1. :  a 100th anniversary or a celebration of it

centennial adjective



Learn More about centennial


Seen and Heard

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

WORD OF THE DAY

tending to dismiss important matters

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

reduce perplex soothe disapprove
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