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

Other Words from decade

decadal \ ˈde-​kə-​dᵊl How to pronounce decade (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 Analysts at Moody's Analytics and Fitch Ratings say that the bill has no impact on the increasing prices because the money from it won't begin to flow into the economy until 2022, and due to its decade-long rollout and revenue-raising offsets. Nicole Goodkind, Fortune, 23 Nov. 2021 After notching three wins in the 1980s, the Golf suffered a 21-year drought before hitting a decade-long win streak from 2007 to today. Alexander Stoklosa, Car and Driver, 17 Nov. 2021 NBCUniversal has committed to spend $500 million in New Mexico over a decade-long period. Ryan Faughnder, Los Angeles Times, 29 Oct. 2021 The monumental milestone marks the completion of a complex, decade-long preservation and rehabilitation project achieved through the collaboration of organizations nationwide. Regina Cole, Forbes, 29 Oct. 2021 Smith was also at the helm for the most recent bargaining negotiations that produced a new, decade-long deal in 2020. Andrew Beaton, WSJ, 9 Oct. 2021 Patterson played for the Los Angeles Lakers, Portland Trail Blazers and other teams over a decade-long NBA career. Kevin Grasha, The Enquirer, 7 Oct. 2021 For John Torris, Fast’s new executive director of sports partnerships, the flexibility to move his family back to his home state of Colorado and spend more time together lured him away from a decade-long career in professional sports. Chase Difeliciantonio, San Francisco Chronicle, 8 Nov. 2021 These grand murals offered a bold new visual language for a government reinventing itself after the decade-long Mexican Revolution. Nora Mcgreevy, Smithsonian Magazine, 3 Nov. 2021

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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Time Traveler for decade

Time Traveler

The first known use of decade was in the 15th century

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decade box

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Last Updated

30 Nov 2021

Cite this Entry

“Decade.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2021.

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More Definitions for decade



English Language Learners Definition of decade

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


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

Kids Definition of decade

: a period of ten years

More from Merriam-Webster on decade

Nglish: Translation of decade for Spanish Speakers

Britannica English: Translation of decade for Arabic Speakers


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