centennial

noun

cen·​ten·​ni·​al sen-ˈte-nē-əl How to pronounce centennial (audio)
: a 100th anniversary or its celebration
centennial adjective
centennially adverb

Examples of centennial in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As the Enterprise prepares to return to active duty, Pike has decided to host a gala celebrating the Federation’s centennial. Keith Phipps, Vulture, 24 July 2025 When Columbia was about to celebrate its centennial in 2005, a historian informed the team that the brand actually started as Saloon Columbia in 1903, before burning down and restarting as Columbia Restaurant in 1905. Karla Walsh, Southern Living, 22 July 2025 The Tropical Forests habitat is the first phase of a transformation that will continue into the zoo’s centennial in 2034. Cam'ron Hardy, Chicago Tribune, 15 July 2025 The 99th anniversary of Marilyn Monroe’s birth passed on June 1 with scant press attention, but don’t expect the screen icon’s centennial to go similarly unnoticed. Todd Longwell, Variety, 25 June 2025 See All Example Sentences for centennial

Word History

Etymology

Latin centum + English -ennial (as in biennial)

First Known Use

1791, in the meaning defined above

Time Traveler
The first known use of centennial was in 1791

Browse Nearby Words

Cite this Entry

“Centennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/centennial. Accessed 6 Aug. 2025.

Kids Definition

centennial

1 of 2 noun
cen·​ten·​ni·​al
sen-ˈten-ē-əl
: a 100th anniversary or its celebration

centennial

2 of 2 adjective
: relating to a period of 100 years
centennially
-ē-ə-lē
adverb

More from Merriam-Webster on centennial

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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