sesquicentennial

[ ses-kwi-sen-ten-ee-uh l ]

/ ˌsɛs kwɪ sɛnˈtɛn i əl /

adjective

pertaining to or marking the completion of a period of 150 years.

noun

a 150th anniversary or its celebration.

Words nearby sesquicentennial

sesostris i, sesotho, sesqui-, sesquialtera, sesquicarbonate, sesquicentennial, sesquihydrate, sesquioxide, sesquipedalian, sesquiplane, sesquiterpene

Origin of sesquicentennial

An Americanism dating back to 1875–80; sesqui- + centennial

OTHER WORDS FROM sesquicentennial

ses·qui·cen·ten·ni·al·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for sesquicentennial

Many of us have tired of the blizzard of histories marking the sesquicentennial of the first years of the American Civil War.
Atlanta’s Fall Foretold The End Of Civil War Bloodshed|Marc Wortman|September 1, 2014|DAILY BEAST

British Dictionary definitions for sesquicentennial

sesquicentennial

/ (ˌsɛskwɪsɛnˈtɛnɪəl) /

adjective

of or relating to a period of 150 years

noun

a period or cycle of 150 years

a 150th anniversary or its celebration

Derived forms of sesquicentennial

sesquicentennially, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012