semicentennial
Americanadjective
noun
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a fiftieth anniversary.
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the celebration of this anniversary.
adjective
-
(prenominal) of or relating to the 50th anniversary of some event
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occurring once every 50 years
noun
Etymology
Origin of semicentennial
First recorded in 1855–60; semi- + 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.
On the semicentennial Fourth of July, having reconciled, both men die.
From The Wall Street Journal ● Jul. 2, 2026
As the program celebrates its semicentennial, we asked readers to share their favorite P-Patch memories.
From Seattle Times ● Apr. 18, 2023
To mark the 50th anniversary of saving Pike Place Market, the Market’s traditional fall festival will transform into a semicentennial celebration of the landmark 1971 initiative.
From Seattle Times ● Oct. 19, 2021
This season, Wolf Trap in Vienna, Va., returns to the scene to celebrate the semicentennial of the Filene Center.
From Washington Post ● Jun. 8, 2021
In the twentieth century, the Pioneer was displayed at the Louisiana Purchase Exposition, St. Louis, Missouri, in 1904, and at the Wheeling, West Virginia, semicentennial in 1913.
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.
