centennial

noun

cen·​ten·​ni·​al sen-ˈte-nē-əl 

: a 100th anniversary or its celebration

centennial adjective

centennially

sen-ˈte-nē-ə-lē 

adverb

Examples of centennial in a Sentence

Recent Examples on the Web

Sayegh, who owns the five-screen cinema in Cranford, near to New York City, will mark the centennial with a throwback screening of Padlocked, the silent film that opened the theater’s doors on November 29, 1926, with an accompanying organ player. — Etan Vlessing, HollywoodReporter, 3 Oct. 2026

The Musée de l’Orangerie is celebrating the centennial of Monet’s passing with an exhibit focusing on his art’s relation with time through about 40 paintings. — Lily Templeton, Footwear News, 29 Sep. 2026

Atlanta Mayor Andre Dickens said the city will be proud to welcome the Olympic flame back 32 years after hosting the centennial Summer Games. — ABC News, 29 Sep. 2026

Here are a few takeaways from how the Trojans kept the Tigers busy on the night of the Memorial Stadium centennial celebration. — Pj Green, Kansas City Star, 20 Sep. 2026

Word History

Etymology

Latin centum + English -ennial (as in biennial)

First Known Use

1791, in the meaning defined above

Rhymes for centennial

• bicentennial
• biennial
• decennial
• millennial
• perennial
• quadrennial
• quinquennial
• triennial
• sesquicentennial

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