also de-activate, "render inactive or less active," 1904, from de- "do the opposite of" + activate. Related: Deactivated; deactivating; deactivation.
The men were deactivated after five years of service
they deactivated the file
de novo
De Profundis
de rigueur
de-accession
deacon
deactivate
dead
dead end
dead reckoning
Dead Sea
deadbeat