de·​cade ˈde-ˌkād How to pronounce decade (audio)
 especially sense 1b  ˈde-kəd
: a group or set of 10
his prisoners were divided into decadesWilliam Godwin
: such as
: a period of 10 years
has been teaching for over a decade
the decade of the twenties
Roman Catholicism : a division of the rosary that consists primarily of 10 Hail Marys
mathematics : a ratio of 10 to 1 : order of magnitude
decadal 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.
Recent Examples on the Web Towards the end of the last decade, Latin music went global thanks to the reggaeton explosion—and to adapt with the times, Reik seamlessly blended their romantic sound with the Caribbean rhythm. Lucas Villa, SPIN, 10 June 2024 Over the ensuing decades, as the right’s issues became the party’s, so did its operatives, activists, and political approach. Daniel Schlozman & Sam Rosenfeld / Made By History, TIME, 10 June 2024 See The Connectors In an industry shaped over the decades by bombastic and hard-charging men, Drescher embraced her idiosyncratic and unabashedly female style. Meg James, Los Angeles Times, 9 June 2024 Over the last three decades, the number of US homes destroyed by wildfire has more than doubled as fires burn bigger and badder, a recent study found. Eric Zerkel, CNN, 9 June 2024 See all Example Sentences for decade 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'decade.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

First Known Use

15th century, in the meaning defined at sense 1

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

Dictionary Entries Near decade

Cite this Entry

“Decade.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2024.

Kids Definition


de·​cade ˈdek-ˌād How to pronounce decade (audio)
 sense 3 is usually  ˈdek-əd
: a group or set of 10
: a period of 10 years
: a part of the rosary made up mainly of 10 Hail Marys

More from Merriam-Webster on decade

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