decommission
Americanverb (used with object)
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decommissions,
present (3rd person singular)
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decommissioned,
past participle, past
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decommissioning
present participle
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to remove or retire (a ship, airplane, etc.) from active service.
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to deactivate; shut down.
to decommission a nuclear power plant.
verb
Other Word Forms
Inflected Forms
Participles
Conjugated Forms
Present
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decommissionsimple
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decommissionssimple
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have decommissionedperfect
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has decommissionedperfect
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am decommissioningprogressive
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are decommissioningprogressive
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is decommissioningprogressive
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have been decommissioningperfect progressive
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has been decommissioningperfect progressive
Past
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decommissionedsimple
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had decommissionedperfect
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was decommissioningprogressive
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were decommissioningprogressive
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had been decommissioningperfect progressive
Future
Etymology
Origin of decommission
First recorded in 1925–30; de- + commission
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
It will also administer and implement a process to decommission and store heavy weapons, military production sites, depots of weapons, and tunnels.
From Los Angeles Times ● Jul. 31, 2026
The roadmap lays out a process to decommission and store Hamas's heavy weapons, military production sites, weapons depots and tunnels, to be implemented by NCAG.
From Barron's ● Jul. 31, 2026
In March, the High Representative for Gaza on the Board of Peace, Nickolay Mladenov, laid out a detailed plan for Palestinian armed groups to decommission their weapons, starting with rockets, explosives and assault rifles.
From BBC ● May 7, 2026
Germany’s decision in the wake of the Fukushima disaster to decommission its nuclear-energy program may have raised electricity prices by 25%.
From The Wall Street Journal ● Mar. 10, 2026
Cembalest highlights research undertaken by JPMorgan that scrutinized the costs incurred to the German economy stemming from its decision to decommission its nuclear power plants after the Fukushima incident.
From MarketWatch ● Mar. 9, 2026
Florida-based Holtec makes equipment to store nuclear waste and decommissions existing nuclear plants.
From Barron's ● Feb. 9, 2026
"The volume of material is enormous compared to past decommissions."
From Scientific American ● Apr. 29, 2011
Susan and her husband Geraint's home, which they have lived in for 53 years, is separated from the decommissioned Ruabon chemical works by a thin tree line.
From BBC ● Sep. 18, 2026
One of the friendly ones, of course, a decommissioned mothership perhaps, here on a diplomatic mission.
From Los Angeles Times ● Sep. 2, 2026
Earlier, a diplomatic source told AFP that the roadmap "offers a balanced and pragmatic path forward, with all weapons decommissioned and a phased transition of responsibilities" to the new authorities.
From Barron's ● Jul. 31, 2026
The project is located on a decommissioned uranium-enrichment site on federal land in southern Ohio, and the campus would require 10 gigawatts of electricity.
From MarketWatch ● Jul. 27, 2026
A regular, nondescript conventional train that has probably been decommissioned, since California rail has gone high-speed.
From "Internment" by Samira Ahmed
He became one of the UUP's biggest critics of the deal over issues like the IRA's decommissioning of weapons, warning his then leader David Trimble against supporting it.
From BBC ● Jul. 19, 2026
Continental Development executive Bob Tarnofsky said the team learned about “previously undisclosed higher decommissioning and demolition costs, a more complicated approval process, and greater environmental risk mitigation” after submitting the proposal.
From Los Angeles Times ● Jul. 9, 2026
EchoStar said that the bankruptcy filing follows “unforeseeable regulatory actions” that necessitated the sale of its wireless spectrum licenses and the decommissioning of its Dish Wireless 5G network.
From The Wall Street Journal ● Jun. 30, 2026
South Africa risks thousands of premature deaths if the phase-out of coal plants is delayed due to the government's updated decommissioning dates, climate rights groups said in a report Wednesday.
From Barron's ● Apr. 22, 2026
Before decommissioning in November 1944, the Sea Cloud served on ocean weather stations off the coasts of Greenland, Newfoundland, and France.
From Integration of the Armed Forces, 1940-1965 by Morris J. MacGregor
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
