or shut-off

[ shuht-awf, -of ]
/ ˈʃʌtˌɔf, -ˌɒf /
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an object or device that shuts (something) off: the automatic shutoff on a heater.
an act or instance of shutting off something, as an opening, a flow, or a service: a shutoff of electric power due to unpaid bills.



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Origin of shutoff

First recorded in 1865–70; noun use of verb phrase shut off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for shutoff



a device that shuts something off, esp a machine control
a stoppage or cessation

verb shut off (tr, adverb)

to stem the flow of
to block off the passage through
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

Idioms and Phrases with shutoff

shut off


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


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

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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