sesquicentennial
Americanadjective
noun
adjective
noun
-
a period or cycle of 150 years
-
a 150th anniversary or its celebration
Other Word Forms
Etymology
Origin of sesquicentennial
An Americanism dating back to 1875–80; sesqui- + centennial
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.
The sesquicentennial of MLB’s first game comes on the heels of several rule changes designed to address the sport’s glacial pace.
From The Wall Street Journal ● Apr. 21, 2026
It’s the sesquicentennial of Western Australia, and everyone on Tony and Judy’s cul de sac is excited.
From Los Angeles Times ● Oct. 2, 2024
You could see this at the Sievierodonetsk library, where last year they celebrated the sesquicentennial of Lesya Ukrainka, Ukraine’s great modernist poet and playwright.
From Seattle Times ● Dec. 28, 2022
Upcoming “celebration nights” recognize Ireland and Israel, Filipino and Hispanic heritages, and the sesquicentennial of baseball in Japan.
From Washington Post ● Aug. 4, 2022
In the fall of that year minor repairs were made to the locomotive so that it might be used in the sesquicentennial celebration at Carlisle, Pennsylvania.
From The 'Pioneer': Light Passenger Locomotive of 1851 United States Bulletin 240, Contributions from the Museum of History and Technology, paper 42, 1964 by John H. White
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.
