decommission.
To take out of service or to render unusable.
Meaning & usage
To take out of service or to render unusable.
They decommissioned the ship after the accident.
The Army decommissioned the Sherman tank by filling the turret with cement.
To remove or revoke the commission of.
After his arrest, the officer was decommissioned from the police force.
To remove or revoke the formal designation of.
The state highway was decommissioned and reverted to local control.
Where this word comes from
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- English commission English decommission From de- + commission.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.