decade

noun
de·​cade | \ ˈde-ˌkād How to pronounce decade (audio) , de-ˈkād; especially sense 1b ˈde-kəd\

Definition of decade

1 : a group or set of 10 his prisoners were divided into decades— William Godwin : such as
a : a period of 10 years has been teaching for over a decade the decade of the twenties
b Roman Catholicism : a division of the rosary that consists primarily of 10 Hail Marys
2 mathematics : a ratio of 10 to 1 : order of magnitude

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Other Words from decade

decadal \ ˈde-​kə-​dᵊl How to pronounce decadal (audio) \ adjective

Examples of decade in a Sentence

The war lasted nearly a decade. The bridge was built a decade ago. The decade of the 1920s runs from January 1, 1920 to December 31, 1929. the first decade of the 21st century There have been a lot of changes during the past two decades.
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Recent Examples on the Web

At Fort Campbell, Mahaffey Middle School, around 40 years old, has for more than a decade been in want of deep renovations. New York Times, "Military Base Loses Funding for New School to Trump’s Border Wall," 5 Sep. 2019 More than a decade old, World of Warcraft is the hot new game again. Lisa Marie Segarra, Fortune, "‘World of Warcraft’ Is on a Campaign to Return Activision Blizzard Stock to Its Former Glory," 5 Sep. 2019 Bennett Tepper, a management and human resources researcher at Fisher College of Business at Ohio State University in Columbus, coined the term abusive supervision in 2000, more than a decade after the debut of Dilbert. Chris Woolston, Quartz at Work, "How to deal with an abusive boss," 29 Aug. 2019 The two were an on-again, off-again couple for more than a decade before marrying in December. San Diego Union-Tribune, "Hemsworth seeks to divorce Cyrus after 7 months of marriage," 21 Aug. 2019 Castro said in his plan that his hometown, San Antonio, went from a place that killed the most pets per capita in the United States to no-kill status in less than a decade. NBC News, "Julián Castro's new animal rights plan takes on a favorite Donald Trump Jr. hobby," 19 Aug. 2019 But in an embarrassment for the department, the Chicago Tribune reported in 2016 that disciplinary case had mysteriously fallen through the cracks for more than a decade. Jeremy Gorner, chicagotribune.com, "A Chicago cop fatally shot a black teen who he says pointed a gun at him during a foot chase. But no gun was found — until 3 months later.," 17 Aug. 2019 More than a decade after it was pulled off the market, the last vestige of the McCoy Naval Annex in Orlando is once again for sale — this time attracting national interest. Caroline Glenn, orlandosentinel.com, "Vacant since the ’90s, last slice of the old Orlando Naval annex is for sale," 13 Aug. 2019 Less than a decade removed from competing in the Mountain West Conference, Utah has been able to invest enough resources to put football and men’s basketball on a level playing field within the Pac-12 relatively quickly. Dan Wolken, USA TODAY, "NCAA's Power 5 schools see steep raise in pay for non-revenue coaches," 12 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decade.' 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 decade

15th century, in the meaning defined at sense 1

History and Etymology for decade

Middle English, from Middle French décade, from Late Latin decad-, decas, from Greek dekad-, dekas, from deka — see deca-

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More Definitions for decade

decade

noun

English Language Learners Definition of decade

: a period of 10 years especially : a 10-year period beginning with a year ending in 0

decade

noun
de·​cade | \ ˈde-ˌkād How to pronounce decade (audio) , de-ˈkād\

Kids Definition of decade

: a period of ten years

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