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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.

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

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