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.
According to a 2024 study, of 204 reactors that have been closed, only 11 plants with a capacity over 100 megawatts have been fully decommissioned, and 200 more reactors will reach the end of their lifetimes in the next 20 years. Katherine Bourzac, IEEE Spectrum, 2 Apr. 2026 The tunnels have since been decommissioned and cleaned out for use as a training facility — in this case, an underground field hospital. Chelsea Torres, FOXNews.com, 2 Apr. 2026 The bright red Asbury Park Wheel was an iconic staple of the Jersey Shore for nearly a century before it was decommissioned in 1988. Colson Thayer, PEOPLE, 1 Apr. 2026 The Gambrinus Company will be decommissioning the Berkeley brewery. Jay R. Brooks, Mercury News, 27 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 5 Apr. 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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