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  • switch-off
    switch-off
    noun
    the act or process of switching off a power supply, light source, appliance, etc.
  • switch off
    switch off
    verb
    to cause (a device) to stop operating by or as if by moving a switch, knob, or lever; turn off
Synonyms

switch-off

American  
[swich-awf, -of] / ˈswɪtʃˌɔf, -ˌɒf /

noun

  1. the act or process of switching off a power supply, light source, appliance, etc.


switch off British  

verb

  1. to cause (a device) to stop operating by or as if by moving a switch, knob, or lever; turn off

  2. 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

switch off Idioms  
  1. 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.


Etymology

Origin of switch-off

Noun use of verb phrase switch off

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.

After the Games and last year's Worlds, where she defended her individual sprint title and won team sprint gold, she flew to Perth, Australia, with Richardson for two months for a "complete switch-off".

From BBC • Oct. 21, 2025

The research team found the switch-off protein using advanced technology predicting unknown proteins.

From Science Daily • Apr. 29, 2024

Sesay said the switch-off by Karpowership had reduced electricity supply to the capital by 13%.

From Reuters • Sep. 8, 2023

Vodafone says it is working to support vulnerable customers, but campaign group Digital Poverty Alliance has criticised the switch-off.

From BBC • May 10, 2023

"With a switch-off from automatic if they should fail."

From What Need of Man? by Calin, Harold

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