Definition from macmillandictionary.com
Will you turn the television off, please?
It is now safe to turn off your computer.
The emergency crew has turned off local power and gas supplies.
Go and turn the tap off before the bath overflows.
Turn off the road onto a dirt driveway.
If you’re coming on the M4, turn off at junction 26.
This sort of talk could turn a lot of voters off.
When people lose interest they just turn off.
His bad breath really turns me off!