Off

1. Away from or not on. He is now off the computer.
2. Inoperative, disabled. All the lights are off.
3. Less than normal, in temperament or in result. Sales are off the year.
4. Started on the way. We are off to see the wizard.
5. In a direction away from the speaker or object. He drove off in a cloud of smoke.
6. Into a state of non-operation; into a state of non-existence. Switch off the lights. The plants began to die off.
7. Used to indicate movement away from a position on. I took it off the table.
8. Away from or not on. Keep off the grass. He's off the phone.