de·​cen·​ni·​al | \ di-ˈse-nē-əl \

Definition of decennial 

1 : consisting of or lasting for 10 years
2 : occurring or being done every 10 years the decennial census

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Other Words from decennial

decennial noun
decennially \ di-​ˈse-​nē-​ə-​lē \ adverb

Examples of decennial in a Sentence

Recent Examples on the Web

The unsigned order Monday overrides lower federal courts in New York that would have allowed the questioning of Ross to proceed in lawsuits challenging the addition of a citizenship question on the decennial census for the first time since 1950. Mark Sherman, The Seattle Times, "Supreme Court: Ross can’t be questioned in census suit," 22 Oct. 2018 Today, gerrymandering is virtually synonymous with Republican gerrymandering, but that’s mainly because the 2010 Tea Party wave election put the GOP in power just as states were engaging in their decennial redistricting process. NBC News, "Former Maryland Gov. Martin O'Malley roots against gerrymander he helped engineer," 30 Mar. 2018 The Census change springs from a somewhat obscure legal debate among some Republicans, who have quietly examined ways to manipulate the decennial survey to effectively gerrymander districts. Tina Nguyen, The Hive, "How Trump Could Turn the 2020 Census Into a Political Weapon," 27 Mar. 2018 The decennial census hasn’t included a question about citizenship since 1950. Washington Post, "Latino leaders question Census head over citizenship query," 23 June 2018 The citizenship question has not been on a decennial census since 1950. New York Times, "Documents Show Political Lobbying in Census Question About Citizenship," 9 June 2018 The decennial census is required by the Constitution and used to determine the number of seats each state has in the House of Representatives, as well as how federal money is distributed to local communities. Larry Neumeister,, "ACLU sues over plans for citizenship question on 2020 census," 6 June 2018 The complex seven-year legal battle focuses on how states use race to redraw their legislative maps after the decennial census. Matt Ford, The New Republic, "The Consequences of the Supreme Court’s Punt on Gerrymandering," 18 June 2018 Plaskett and other lawmakers say those communities stand to lose millions in federal funds based on the nation’s decennial population count, which begins in April 2020. Deborah Barfield Berry, USA TODAY, "Lawmakers urge Census to count Hurricane Maria victims in their communities," 1 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decennial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of decennial

circa 1656, in the meaning defined at sense 1

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Statistics for decennial

Last Updated

14 Jan 2019

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Time Traveler for decennial

The first known use of decennial was circa 1656

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Rhyming Dictionary: Words that rhyme with decennial

Nglish: Translation of decennial for Spanish Speakers

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