turn off

Meaning: to stop a machine or an appliance from working by using a button or a switch

Synonym: switch off

For example:

turn off sth Don't forget to turn off the air conditioner before you leave the house. We shouldn't be wasting energy.
turn sth off Do you turn all your lights off at night, or do you leave some of them on?

Nouns often used as objects with
turn off: light, computer, phone, television, heater, air conditioner, engine, motor

Quick Quiz:

We should turn off all our appliances when we aren't using them in order to

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