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.
In its Thursday announcement, NSF said that an array of sensors off the Oregon coast would be redeployed in the water after servicing and would not be decommissioned. Dan Vergano, Scientific American, 18 June 2026 Though it was eventually decommissioned in 1985, the Route 66 Corridor Preservation Program was created in 1999 to protect its historical and cultural significance. Elizabeth Rhodes, Travel + Leisure, 18 June 2026 According to Ars, the PrK module will be decommissioned and no longer pressurized until that happens, which could greatly limit the use of its attached dock. Victor Tangermann, Futurism, 18 June 2026 Ultimately, those systems were decommissioned, Loo said. Grant Stringer, Mercury News, 18 June 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 21 Jun. 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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