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 centennial of George Washington's inauguration in 1889 was marked by a parade, as were visits by several royal families in the 1800s and the 1900s. Matt Nighswander, NBC news, 18 June 2026 Uruguay hosted the first World Cup in 1930 and will host a match commemorating the tournament's centennial in 2030, and Saudi Arabia will host the World Cup in 2034. CBS News, 15 June 2026 Uruguay hosted the first World Cup in 1930 and will host a match commemorating the tournament’s centennial in 2030, and Saudi Arabia will host the World Cup in 2034. ABC News, 15 June 2026 Back in town, the Albuquerque Museum presents an excellent special exhibition related to Route 66’s centennial through January 3, 2027. Chadd Scott, Forbes.com, 13 June 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 19 Jun. 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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