Definition of decommission
: to remove (as a ship or nuclear power plant) from service
Examples of decommission in a sentence
Several military bases are scheduled to be decommissioned.
The government is decommissioning the nuclear power plant.
First Known Use of decommission
DECOMMISSION Defined for English Language Learners
Definition of decommission for English Language Learners
: to officially stop using (a ship, weapon, dam, etc.) : to remove (something) from service
Seen and Heard
What made you want to look up decommission? Please tell us where you read or heard it (including the quote, if possible).