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

Beginning with the upcoming Rangers centennial season in 2025-26, the two companies will kick off a multifaceted partnership that will provide Game 7 with year-round exposure across MSG’s set of sports and entertainment properties. —Sportico Staff, Sportico.com, 19 Sep. 2025

While police said there was no evidence of foul play and ruled the death a suicide, classes and events scheduled for the school's centennial celebrations were canceled for the day. —Rebecca Morin, USA Today, 17 Sep. 2025

However, the campus was closed on Monday, and several events planned to mark Delta State University's centennial were canceled. —Alia Shoaib, MSNBC Newsweek, 16 Sep. 2025

Delta State University was preparing to celebrate its centennial when a gruesome discovery occurred. —Armon Sadler, VIBE.com, 16 Sep. 2025

Word History

Etymology

Latin centum + English -ennial (as in biennial)

First Known Use

1791, in the meaning defined above

Rhymes for centennial

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