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.
The instantly recognizable starlet was born on June 1, 1926, which means the centennial celebrations of her birthday are booming this year. Stacia Datskovska, Footwear News, 17 Mar. 2026 For the town of Porter’s centennial, a Hercules missile was carried on a float in the parade. Doug Ross, Chicago Tribune, 16 Mar. 2026 As for events, Philly Fair 250, which takes place over three days in the city's centennial district, is one of several programs debuting. Nikki Dementri, CBS News, 16 Mar. 2026 Such individuals are the standard-bearers in their respective categories, setting winning records that remain unbeatable as the Oscars approach their centennial in 2028. Kevin Jacobsen, Entertainment Weekly, 15 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

Browse Nearby Words

Cite this Entry

“Centennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/centennial. Accessed 20 Mar. 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

More from Merriam-Webster on centennial

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