Phrasal Verbs
(of a machine, tool, etc.) to stop working The engines shut off automatically in an emergency.
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- 1to stop a machine, tool, etc. from working I wish someone would shut off that car alarm.
- 2to 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.
to avoid seeing people or having contact with anyone Martin shut himself off from the world to write his book.