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
Natalie Wallington, Kansas City Star, 29 Jan. 2025
With thousands of utility customers suffering shutoffs because of wildfires, this technology is likely to remain strong through the year and beyond.
—Jamie Gold, Forbes, 14 Jan. 2025
Compiled By Democrat-Gazette Staff From Wire Reports, arkansasonline.com, 6 Mar. 2025
But if sunlight is shut off when the sun is high in the lunar sky, the drop is much more rapid — over a span of just 10 to 30 minutes.
—Joe Rao, Space.com, 6 Mar. 2025
See All Example Sentences for shutoff
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Noun
Each shutoff is counted only once, although the same household may have experienced multiple shutoffs in this period.
—Natalie Wallington, Kansas City Star, 29 Jan. 2025
With thousands of utility customers suffering shutoffs because of wildfires, this technology is likely to remain strong through the year and beyond.
—Jamie Gold, Forbes, 14 Jan. 2025
Verb
The space agency said Wednesday an instrument on Voyager 2 that measures charged particles and cosmic rays will shut off later this month.
—Compiled By Democrat-Gazette Staff From Wire Reports, arkansasonline.com, 6 Mar. 2025
But if sunlight is shut off when the sun is high in the lunar sky, the drop is much more rapid — over a span of just 10 to 30 minutes.
—Joe Rao, Space.com, 6 Mar. 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 10 Mar. 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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