shuts, shut, shutting

to shut off
phrasal verb

To stop a machine or device from operating
  • 1Please shut off the lights when you leave.
  • 2He shut off the computer before going to bed.
To shut off means to make a machine or device stop working. It is like pressing a button to turn off a TV or computer. When you shut off something, you are stopping it from running or functioning.
Card
Remember, to shut off a machine, you usually need to press a specific button or switch. Don't just unplug it or turn off the power source, as this could damage the device.
near a public fountain
The Fountain Mishap
Patricia
Oh no, the fountain is overflowing!
Jason
I think we need to shut off the water supply.
Patricia
Good idea, there's a valve over there.
Jason
I'll turn it off now to stop the overflow.
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Similar to "to shut off":
  • 1turn off
  • 2power down