decommissioned

Taken out of service

Decommissioned describes something officially removed from active service or operation.

Military equipment gets decommissioned when no longer needed: a decommissioned aircraft carrier.

Nuclear plants are decommissioned through careful dismantling.

The term implies formal retirement rather than simple abandonment—paperwork and procedures, not just walking away.

state

inactive

Not currently functioning

mothballed · unused · idle · offline · out-of-service · defunct · retired · obsolete · abandoned · derelict

technology

obsolete

No longer in use

superseded · deprecated · discontinued · retired · phased-out · unsupported · replaced · upgraded · sunset · vintage

military

warship

Armed naval vessel

carrier · destroyer · cruiser · vessel · fleet · base · arsenal · barracks · hangar · garrison

process

retirement

Leaving the workforce permanently

dismantling · scrapping · defueling · demolition · closure · discontinuation · phase-out · wind-down · stand-down · handover

nuclear

reactor

Controlled fission apparatus

containment · radioactive · cleanup · remediation · decontamination · dismantlement · safeguards · IAEA · half-life · entombment

infrastructure

plant

Botanical organism

  • facilitySkill or equipped premises
  • platformRaised flat structure
  • rigEquipment arrangement or vehicle

pipeline · refinery · factory · mill · site · industrial · offshore · brownfield · repurposing · redevelopment

Categories
Opposites
operational status

decommissionedactive

In operation now

operational · in service · functioning · commissioned · functional

lifecycle stage

decommissionedcommissioned

Formally assigned a task

introduced · activated · launched · inaugurated · established

Phrases
Family

decommission, decommissioning, decommissions

Familiarity
Top 100,000
Profile
Used worldwide · Timeless · Everyday, not technical · Rated G