centennial
Americanadjective
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pertaining to, or marking the completion of, a period of 100 years.
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pertaining to a 100th anniversary.
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lasting 100 years.
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100 years old.
noun
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a 100th anniversary or its celebration; centenary.
adjective
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relating to, lasting for, or completing a period of 100 years
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occurring every 100 years
noun
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another name for centenary
Other Word Forms
- centennially adverb
- precentennial adjective
Etymology
Origin of centennial
1790–1800; < Latin cent- 100 ( cent ) + English -ennial pertaining to a period of years (extracted from biennial )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They will continue to be held at the Dolby Theatre at Ovation Hollywood and televised live on ABC when the centennial ceremony is held in 2028.
From BBC • Mar. 26, 2026
Besson’s “Dracula” is over the top, highly stylized and speckled with outrageous creatures, visual effects and a plot that somehow connects Count Dracula to the centennial anniversary of the French Revolution.
From Los Angeles Times • Feb. 6, 2026
“Our centennial year marked a significant milestone, underscored by the highest full-year sales and revenues in Caterpillar’s history and a single-quarter record of $19.1 billion,” said Caterpillar CEO Joe Creed.
From MarketWatch • Jan. 29, 2026
Quickly dubbed the Capital of Route 66, Tulsa will be celebrating the Mother Road’s centennial with classic car parades, like the Capital Cruise, and, in June, the Route 66 Roadfest, a family-friendly romp.
From The Wall Street Journal • Dec. 20, 2025
Several weeks after the centennial gathering in Philadelphia, Susan B. Anthony visited Elizabeth Cady Stanton at her new home in Tenafly, New Jersey.
From "Votes for Women!" by Winifred Conkling
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.