Past tense of decommission
regular verb
The past tense of decommission is decommissioned. The past participle is also decommissioned.
Forms of decommission
| Base form (V1) | decommission /diːkəˈmɪʃən/ |
|---|---|
| Past tense (V2) | decommissioned |
| Past participle (V3) | decommissioned |
| Present participle | decommissioning |
| Third person singular | decommissions |
Decommissioned in a sentence
- They decommissioned the ship after the accident.
- The Army decommissioned the Sherman tank by filling the turret with cement.
- The machine was decommissioned because it was producing widgets insufficiently.From the entry insufficiently
- "Exceedances are decommissioned while they undergo remediation," Ms Hammat said.2025 September 9, Mya Kordic, “Lead in water at Perth Children's Hospital no risk to patient safety, WA health minister says”, in ABC…. From the entry exceedance
- The project was attractive because of the ability to maximise the use of existing and decommissioned railways, minimise land take, and decrease the amount of disruption during the project.2020 May 20, Paul Bigland, “East London Line's renaissance”, in Rail, pages 48–49. From the entry rocket
Meaning of decommission
- verb To take out of service or to render unusable.
- verb To remove or revoke the commission of.
- verb To remove or revoke the formal designation of.
Questions about the past tense of decommission
- What is the past tense of decommission?
- The past tense of decommission is decommissioned.
- What is the past participle of decommission?
- The past participle of decommission is decommissioned.
- Is decommission a regular or irregular verb?
- Decommission is a regular verb: its past tense adds -ed.
Source and license
Adapted from Wiktionary: decommission (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
Last updated:
Cite this page: “Past tense of decommission.” Word.ws, https://word.ws/past-tense/decommission. Based on Wiktionary, CC BY-SA 4.0.
