deactivate

to make something inactive or no longer effective

Verb

  1. to make something inactive or no longer effective
    • deactivate an account
    • deactivate a device
    • The technician deactivated the alarm system before repairs began.
  2. to prevent the action of a biochemical agent (such as an enzyme)
    • chemically deactivate
    • The chemical agent was deactivated by exposure to heat.
  3. to remove a person or piece of hardware from active military service
  4. to commit suicide

Origin

Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English activate English deactivate From de- + activate.

Forms

deactivates deactivating deactivated de-activate deäctivate

Related

activate inactivate

Derived

deactivatable deactivator