1
: something (such as a valve) that shuts off
2
shut off; shutting off; shuts off
1
: to close off : separate
—usually used with from
shut off from the rest of the world
2
a
: to cut off (a flow or passage) : stop
shuts off the oxygen supply
b
: to stop the operation of (something, such as a machine)
shut the motor off
: to cease operating : stop
shuts off automatically
Examples of shutoff in a Sentence
Noun
the utility company threatened them with the shutoff of electricity if the bills weren't paid
Verb
threatened to shut off peace talks if the other side kept making unreasonable demands
shut off the computer to save electricity
Recent Examples on the Web
Lauren Penington, Denver Post, 19 Oct. 2025
One in three low-income homes received shutoff notices.
—Daniel De Visé, USA Today, 18 Oct. 2025
Karen Kucher, San Diego Union-Tribune, 19 Oct. 2025
Audrey Hepburn plays a blind woman who manages to thwart intruders by shutting off all the lights in her apartment.
—Emma Specter, Vogue, 19 Oct. 2025
See All Example Sentences for shutoff
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Noun
As of Sunday evening, Xcel officials announced the company would not implement proactive power shutoffs for public safety in Adams, Arapahoe, Boulder, Jefferson, Larimer, and Denver counties, according to a news release from the utility.
—Lauren Penington, Denver Post, 19 Oct. 2025
One in three low-income homes received shutoff notices.
—Daniel De Visé, USA Today, 18 Oct. 2025
Verb
At one point, customers heard a rumor that SDG&E was shutting off electricity to the building — an alarming development that would have left the business’s freezers without power.
—Karen Kucher, San Diego Union-Tribune, 19 Oct. 2025
Audrey Hepburn plays a blind woman who manages to thwart intruders by shutting off all the lights in her apartment.
—Emma Specter, Vogue, 19 Oct. 2025
See All Example Sentences for shutoff
Cite this Entry
“Shutoff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shutoff. Accessed 24 Oct. 2025.
Copy CitationKids Definition
shutoff
1 of 2 noun
shut·off
ˈshət-ˌȯf 
1
: something that shuts off
2
: an instance of shutting off : interruption, stoppage
shut off
2 of 2 verbˌshət-ˈȯf
1
: to stop the flow of
shut off the water
2
a
: to stop the operation of
shut the motor off
b
: to cease operating
the light shuts off automatically
3
: to make or keep separate
shut off from the rest of the world
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