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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.
All of 2026 will be celebrated as the Route 66 centennial with special events and festivities throughout the year. Roger Naylor, AZCentral.com, 6 Dec. 2025 The agreement comes on the heels of the symphony's new strategic plan that looks ahead five years to the orchestra's centennial in 2030. Domenica Bongiovanni, IndyStar, 5 Dec. 2025 The event marked the centennial of Remembrance Day, also known as Armistice Day, which is the anniversary of the end of fighting in World War I. Meredith Kile, PEOPLE, 3 Dec. 2025 After long avoiding her father’s legacy following a tragic accident, she is invited to represent him at the Grand Ole Opry’s centennial Christmas celebration. Diana Leyva, Nashville Tennessean, 28 Nov. 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 7 Dec. 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
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