0 to cause someone to have an illness, injury, or condition that makes it difficult for them to do the things that other people do: --
She was disabled in the accident.
1 to stop something such as (part of) a machine, system, or weapon from working: --
2 to make something or someone unable to act in the correct or usual way: --
3 to turn off a part of a computer system, or stop it from working in the normal way: --
To disable a program or device, right-click its listing under the appropriate category and choose 'Disable'.