[dee-kuh-mish-uh n]

verb (used with object)

to remove or retire (a ship, airplane, etc.) from active service.
to deactivate; shut down: to decommission a nuclear power plant.

Origin of decommission

First recorded in 1925–30; de- + commission Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for decommissioned

Contemporary Examples of decommissioned

British Dictionary definitions for decommissioned



(tr) to dismantle or remove from service (a nuclear reactor, weapon, ship, etc which is no longer required)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for decommissioned



1922, originally with reference to warships, from de- + commission (v.). Related: Decommissioned; decommissioning.

Online Etymology Dictionary, © 2010 Douglas Harper