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 year 2049 is significant in the Chinese political imagination as the centennial anniversary of the establishment of the People’s Republic of China under Chairman Mao Zedong. Timothy Nerozzi, The Washington Examiner, 1 Jan. 2026 The airline is set to celebrate its centennial anniversary, and is the official airline of the 2026 World Cup. Dallas Morning News, 1 Jan. 2026 To mark the Rockettes’ centennial, PEOPLE spoke with several members, who revealed the biggest ways the dance company has evolved over the last 100 years. Luke Chinman, PEOPLE, 31 Dec. 2025 In 2026, San Diegans can celebrate the centennial of a local museum, watch parades, see circus performers, learn local history and much more. Abby Hamblin, San Diego Union-Tribune, 30 Dec. 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 Jan. 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

Last Updated: - Updated example sentences
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