[ swich-awf, -of ]
/ ˈswɪtʃˌɔf, -ˌɒf /
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the act or process of switching off a power supply, light source, appliance, etc.
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Which of the following words describes “sky blue”?
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Origin of switch-off

Noun use of verb phrase switch off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use switch-off in a sentence

British Dictionary definitions for switch-off

switch off

verb (adverb)
to cause (a device) to stop operating by or as if by moving a switch, knob, or lever; turn off
informal to cease to interest or be interested; make or become bored, alienated, etc
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

Other Idioms and Phrases with switch-off

switch off

Stop paying attention, lose interest, as in Whenever he starts in on economics, I switch off automatically. This metaphoric expression transfers turning off a light switch or similar device to diverting one's attention. [c. 1860] Also see switch on.

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