decommission

verb

de·​com·​mis·​sion ˌdē-kə-ˈmi-shən How to pronounce decommission (audio)
decommissioned; decommissioning; decommissions

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Gambrinus Company will be decommissioning the Berkeley brewery. Jay R. Brooks, Mercury News, 27 Mar. 2026 Of the 423 nuclear power reactors currently in service, roughly half are projected to begin decommissioning by 2050, according to data from the IAEA. Mrigakshi Dixit, Interesting Engineering, 24 Mar. 2026 Four dedicated minesweepers stationed there were decommissioned last year. Brad Lendon, CNN Money, 22 Mar. 2026 Disarming and decommissioning Hezbollah requires a very strong army to be able to go in and find weapons depots and arrest people. Isaac Chotiner, New Yorker, 20 Mar. 2026 See All Example Sentences for decommission

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of decommission was in 1922

Browse Nearby Words

Cite this Entry

“Decommission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decommission. Accessed 31 Mar. 2026.

Kids Definition

decommission

verb
de·​com·​mis·​sion ˌdē-kə-ˈmish-ən How to pronounce decommission (audio)
: to remove (as a ship) from use or service

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