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  • shut-off
    shut-off
    noun
    a device that shuts something off, esp a machine control
  • shut off
    shut off

    Stop the flow or passage of, as in They shut off the water while repairs were being made . [Early 1800s]

Synonyms

shut-off

British  

noun

  1. a device that shuts something off, esp a machine control

  2. a stoppage or cessation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to stem the flow of

  2. to block off the passage through

  3. to isolate or separate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
shut off Idioms  
  1. Stop the flow or passage of, as in They shut off the water while repairs were being made . [Early 1800s]

  2. Close off, isolate, as in Loners shut themselves off from the community . [First half of 1800s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

An extended shut-off of jet fuel and diesel from the Middle East into the global market could pit the fuel-poor U.S. coasts against Europe and Asia for supplies.

From The Wall Street Journal Mar. 7, 2026

But the gas is still off and electricity bills keep mounting this winter, leaving her in fear of another shut-off.

From BBC Jan. 10, 2026

America’s workplaces have been getting safer for more than a century now—cleaner, fewer fire risks, auto shut-off switches on tools, and even eye goggles and steel-toed boots.

From Barron's Nov. 15, 2025

This is the second power shut-off in as many days in the area, a peninsula about 30 miles south of downtown Los Angeles famous for its sea breezes, gorgeous views, and expensive homes.

From Los Angeles Times Sep. 2, 2024

It keeps talking, like a boat motor with no shut-off valve, saying more stuff I want him to know, even though most of me knows he doesn’t care.

From "Red Flags and Butterflies" by Sheryl Azzam

But in the meantime, the plant formerly known as Ilva has been ordered to shut off its blast furnaces by October 28 due to the presence of asbestos and illegal levels of fine airborne particles.

From Barron's Sep. 17, 2026

Some systems therefore appear to have shut off their jets only recently, while others have been evolving without active jets for much longer.

From Science Daily Sep. 4, 2026

Many households on the Caribbean island have been split into two groups - with each having their water supply shut off for 48 hours on a rotating basis.

From BBC Aug. 9, 2026

A burst pipe in Beverly Grove sent water flowing down the street on Sunday morning, threatening parked vehicles and forcing some water services in the area to be shut off.

From Los Angeles Times Aug. 2, 2026

Russell shut off the engine, but we didn’t get out.

From "The Red Car to Hollywood" by Jennie Liu

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