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
Brombil Reservoir Ltd warned that without public sector support or a partnership agreement, it could be forced to "decommission the reservoir".
From BBC ● Jul. 20, 2026
The committee is in the early stages of setting up a new police force that is meant to decommission Hamas’s weapons once the militant group agrees to hand them over.
From The Wall Street Journal ● Jul. 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
The proceedings had barely begun when Bessent mocked Canada’s military, dismissing it with a reference to a decommissioned amusement-park ride.
From The Wall Street Journal ● 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
Scientists from around the world have been working on turning decommissioned blades into other useful products.
From BBC ● Jul. 4, 2026
I dropped my decommissioned backpack on the kitchen table and filled the kettle from the pitcher of filtered water I kept on the counter.
From "Darius the Great Is Not Okay" by Adib Khorram
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
In Slovakia, it has a joint venture with the state-owned nuclear decommissioning company.
From The Wall Street Journal ● May 27, 2026
It is also a cornerstone of the country's economy, employing more than 90,000 people, making decommissioning plans a divisive issue.
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.
