Unplug (verb)

To remove a plug from a socket or to disconnect an electronic device from a power source.

Origin:

From un- (reverse action) + plug (to insert a plug into a socket).

Examples:

1. Please unplug the iron before you leave.
2. I unplugged the charger from the phone.
3. I'm going to unplug the fridge for the night to save energy.
4. He unplugged the lamp before he went to bed.
5. She unplugged the toaster before she cleaned it.