de·​com·​mis·​sion | \ˌdē-kə-ˈmi-shən \

Definition of decommission 

transitive verb

: to remove (something, such as a ship or a nuclear power plant) from service

Examples of decommission in a Sentence

Several military bases are scheduled to be decommissioned. The government is decommissioning the nuclear power plant.

Recent Examples on the Web

The reservoir, built in 1859 to accommodate the city’s surging population, has been an eyesore since it was decommissioned in 1940, following the construction of the Lombard Reservoir just a few blocks away. Dominic Fracassa, San Francisco Chronicle, "Russian Hill park expected on abandoned reservoir," 14 Mar. 2018 The tunnels leading up to it have been collapsed several decades ago when it was decommissioned. Wes Siler, Outside Online, "Doing It for the ‘Gram Turns Deadly," 9 July 2018 At 56th Street and Post Road, Fort Benjamin Harrison in Lawrence Township provided training to soldiers and National Guard members for decades after its creation in the early 1900s until it was finally decommissioned in the 1990s. Shelley Specchio, Indianapolis Star, "Discovering Indianapolis’ vibrant neighborhoods: east side," 25 May 2018 Closing the plants is probably not what FES wants to do because the company would have to pay for decommissioning them. John Funk,, "FirstEnergy Solutions' bankruptcy filing sparks concern about future: Q&A," 8 Apr. 2018 Environmental groups contend that the segment, which was laid in 1953, is a spill hazard and should be decommissioned. Washington Post, "Michigan governor: Vessel damaged underwater oil pipelines," 11 Apr. 2018 The government is decommissioning the towers and in the meantime has paid roughly an additional $200 million to maintain the program. Lauren Etter,, "America’s Virtual Border Wall Is a 1,954-Mile-Long Money Pit," 9 Apr. 2018 At that exhibit, Connecticut artists will use decommissioned, broken-apart guns accumulated in a buyback conducted last December in Hartford. Susan Dunne,, "Artists #UNLOAD In Gun Exhibit At Fairfield University," 26 June 2018 The highway was decommissioned in 1985, replaced by the Federal Interstate Highway System, but historians and travelers have kept its memory as well as its culture of roadside diners, neon lights and tourist traps alive. Jason Daley, Smithsonian, "Route 66 and 10 Other Sites That Made the 2018 “Most Endangered Historic Places” List," 26 June 2018

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

1922, in the meaning defined above

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Last Updated

24 Oct 2018

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The first known use of decommission was in 1922

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English Language Learners Definition of decommission

: to officially stop using (a ship, weapon, dam, etc.) : to remove (something) from service

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