1. To cause something to be unable to work in the normal way: "The technician had to disable the computer program before we could proceed adding more information to our blog."
2. Something that makes a person unable to do what was previously a normal part of life: "His father was disabled by the auto accident."
3. To prevent a device or system from working by disconnecting a part of it: "His friend was disabling the fire alarm because it was going off every so often for no valid reason."

People who are crippled or otherwise physically handicapped: "The disabled were having more problems getting adequate funds to live on because of the cuts in government aid."

Descriptive of those who are incapable of functioning either physically or mentally because of injury or illness: "Some disabled people participate in sports competitions that have been set up especially for them."