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Definition of decommission

decommission

/ˌdiːkəˈmɪʃ.ən/
de · com · mis · sion
Adjective:decommissioned
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Past Simple:decommissioned
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Past Participle:decommissioned
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Present Participle:decommissioning
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decommission Lexical Profile

decommission Game Scores & Validity

• verb

1

To officially withdraw a vessel, industrial facility, nuclear reactor, or piece of equipment from active service, often dismantling it safely.

Example

"The energy utility plans to decommission the aging power plant over the next five years and replace it with a solar farm."

Synonyms
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Antonyms
View all antonyms for decommission

• Rhymes for decommission

• Nearby Words

decoder
decolonize
decolorize
decommission
decommit
decomplex
decompose

Word Origin & Etymology

Formed in the early 20th century by combining the privative prefix 'de-' with 'commission', which stems from Latin 'committere' (to entrust or put together).

Cite this Entry

Wordmom. (2026). Definition of Decommission. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/decommission
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