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.
Since then, a smaller number of workers have chipped away at decommissioning the plant — a decades-long process of cleaning up nuclear waste. Miranda Dunlap, jsonline.com, 6 Oct. 2025 The Israelis will want to decommission that. ABC News, 5 Oct. 2025 Earlier, Holtec revealed that to decommission a nuclear power plant, the licensee must submit A Post‐Shutdown Decommissioning Activities Report (PSDAR) to the NRC. Prabhat Ranjan Mishra, Interesting Engineering, 3 Oct. 2025 The plan appears to cross several of Hamas’ previously declared red lines, including decommissioning the group’s weapons and barring it from taking part in the future governance of Gaza. Oren Liebermann, CNN Money, 30 Sep. 2025 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 7 Oct. 2025.

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

More from Merriam-Webster on decommission

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!