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
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The 2028 Oscars, marking the ceremony’s centennial, will be held on Sunday, March 5. Scott Feinberg, HollywoodReporter, 7 Apr. 2026 The collectibles are just one part of the Central Library's year-long centennial celebration. Matthew Rodriguez, CBS News, 2 Apr. 2026 Orlando Shakes presented Denée Benton, Orlando Family Stage danced the night away with a centennial prom and Orlando Fringe has improv ahead. Matthew J. Palm, The Orlando Sentinel, 1 Apr. 2026 Our local movie palace is celebrating its centennial anniversary this year. Angela George, Sioux Falls Argus Leader, 31 Mar. 2026 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

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Cite this Entry

“Centennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/centennial. Accessed 13 Apr. 2026.

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

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