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

This was almost two decades ago and much has changed for women—and men—at work. Perrie Samotin, Glamour, "Male Bosses Are Ignoring Women Colleagues After #MeToo. This Is a Problem," 17 May 2019 When American Airlines opened its first Admirals Club at LaGuardia Airport in 1939, membership at the trail-blazing club was invitation only for almost three decades. Suzanne Rowan Kelleher, Condé Nast Traveler, "The Best Ways to Get Airport Lounge Access for Every Type of Traveler," 21 Aug. 2018 But they were stoked Monday after the university released findings from its own investigation and forced out its longtime business school dean, Moshe Porat, who had led the school for more than two decades. Susan Snyder,, "In wake of biz school scandal, Temple faces more scrutiny for data falsification," 11 July 2018 Over three decades, Ben Soleimani has built his reputation as one of the world’s top creators of contemporary, highly luxurious rugs. Vanessa Lawrence, ELLE Decor, "See Inside Ben Soleimani’s Fast-Paced, Stylish Worlds in California and London," 17 Apr. 2019 McGrath is a pioneer in the beauty industry with a career that spans over three decades in both beauty and fashion. Teen Vogue, "Pat McGrath Lab’s Releases 17 New Bold Eyeshadows," 28 Mar. 2019 Not a bad way to kick off three decades—and the many more to come. Vogue, "The 30 Best Accessories to Own Before 30," 25 Mar. 2019 The ostensible opposition party lacks a clear strategy for the coming legislative midterms, let alone for the incremental grooming of a cohort of jurists to place on the bench two to three decades down the road. Jacob Bacharach, The New Republic, "Don’t Count on History to Judge Wisely," 27 June 2018 Oberg’s younger sister, Valerie Bishop, said she was not told the truth about what happened until last year, more than three decades after the evidence was destroyed. Ashley Luthern, Milwaukee Journal Sentinel, "A killer left DNA evidence behind. But Milwaukee police destroyed it.," 22 June 2018

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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Last Updated

22 May 2019

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Time Traveler for decade

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

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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

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More from Merriam-Webster on decade

Rhyming Dictionary: Words that rhyme with decade

Spanish Central: Translation of decade

Nglish: Translation of decade for Spanish Speakers

Britannica English: Translation of decade for Arabic Speakers

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