English · Daily Life
turn off
/tɜːrn ɒf/
[/tɜːrn ɒf/]
stop a device
Beginnerverb
Definition
To stop a machine, light, or appliance by operating a switch. It is the opposite of turn on.
Example
Don't forget to turn off the tap.
Don't forget to turn off the tap.
Etymology
From 'turn' plus 'off', originally describing rotating a valve to the off position.
How & Where It’s Used
Used very commonly in everyday speech for switching off devices.