shut off
phrasal verbshut off
- (of a machine, tool, etc.) to stop working
- The engines shut off automatically in an emergency.
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shut something off
- to stop a machine, tool, etc. from working
- I wish someone would shut off that car alarm.
- to stop a supply of gas, water, etc. from flowing or reaching a place
- A valve immediately shuts off the gas when the lid is closed.