semicentennial
noun
semi·cen·ten·ni·al
ˌse-mē-sen-ˈte-nē-əl 
ˌse-ˌmī-,
-mi-
: a 50th anniversary or its celebration
semicentennial
adjective
Examples of semicentennial in a Sentence
Recent Examples on the Web
The organization celebrated its semicentennial at a gala in New York City this month.
—
Jillian Eugenios, NBC News, 11 Mar. 2023
An outdoor rock ’n’ roll show featuring local Wilmette bands took center stage Saturday night, all part of a celebration of the semicentennial of the Centennial Recreation Complex.
—Gina Grillo, Chicago Tribune, 15 Aug. 2022
This season, Wolf Trap in Vienna, Va., returns to the scene to celebrate the semicentennial of the Filene Center.
—Washington Post, 9 June 2021
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jillian Eugenios, NBC News, 11 Mar. 2023
An outdoor rock ’n’ roll show featuring local Wilmette bands took center stage Saturday night, all part of a celebration of the semicentennial of the Centennial Recreation Complex.
—Gina Grillo, Chicago Tribune, 15 Aug. 2022
This season, Wolf Trap in Vienna, Va., returns to the scene to celebrate the semicentennial of the Filene Center.
—Washington Post, 9 June 2021
Cite this Entry
“Semicentennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semicentennial. Accessed 6 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share