Definition

1. Verb:
   • To officially take (a ship, aircraft, nuclear reactor, or other piece of military or industrial equipment) out of active service or use.
   • To withdraw from active service, typically involving a formal process of dismantling, storing, or disposing of the asset.

Usage

The verb decommission is used to describe the formal process of retiring a complex piece of equipment or facility from its primary operational role. It implies an official, planned action, not a simple breakdown or temporary withdrawal.

Examples

• Verb:
  • The government decided to decommission the old nuclear power plant for safety reasons.
  • After 30 years of service, the aircraft carrier was decommissioned in a solemn ceremony.
  • The company plans to decommission the offshore oil platform next year.

Advanced Usage

• Decommissioning (gerund/noun): The process of taking something out of service.
  • The decommissioning of the naval base will take several years and cost millions.
• Decommissioned (adjective): Describing something that has been taken out of service.
  • The decommissioned submarine is now a museum exhibit.

Variants and Related Words

• Decommissioning (n): The act or process of decommissioning.
• Commission (v): The opposite action; to bring into active service.

Synonyms

• Retire: To withdraw from active service.
• Mothball: To take out of service but maintain for possible future use.
• Dismantle: To take apart, often as part of decommissioning.

Antonyms

• Commission: To place into active service.
• Activate: To make active or operational.

Related Phrases/Idioms

• To be put out of service: A more general phrase for being taken out of use.
• To be stood down: Often used for military units or equipment taken off active duty.

Verb

1. withdraw from active service
   • The warship was decommissioned in 1998