switch off

present singular third person switches off · participle present switching off · participle past switched off · past switched off

1. transitiveTo stop or disable a device by turning a switch or a lever.

   We have found that a patrolman in the central section of the city can switch on, and later switch off, 100 signs with ease.

   1906, National Electric Light Association, National Electric Light Association Twenty-Ninth Convention, page 420

   2 more examples

   To switch off the instrument when the clockwork is not wound up, and to remind the subscriber of doing so, there is provided an indicator, x, which is worked in the following manner.

   1893, The Electrical Review, volume 32, page 554

   He began shutting down the flight controls, switching off all the things he'd switched on before, switching on all the things he'd switched off.

   2001, David Gerrold, Bouncing Off the Moon, page 208

   Synonyms: turn off, power down

2. idiomaticTo lose interest, and start thinking about something else.

   In short, the Bible is used by many, believers and atheists alike, as a book best handled only after switching off your brain.

   2015, Simon Taylor, How To Read The Bible (without switching off your brain)

   2 more examples

   Fulham switched off as Giggs took a quick corner to Valencia. He played it back to Giggs, whose cross was headed in by Nani with the lurking Rooney unable to add a touch.

   2011 December 21, Tom Rostance, “Fulham 0 - 5 Man Utd”, in BBC Sport

   While you are pregnant with the desire for the car, the house or anything, try to switch off your mind to avoid brainstorming any solutions.

   2013, Ashbel Vudzijena, Success is a CALLING!, page 82

3. idiomaticintransitiveTo alternate between; to trade.

   Do you eat all your peas and then all your potatoes, or do you switch off between them as you go?

   3 more examples

   "We haven't a musket, and Tommy's crowd are well armed. They have the inside track" "Then we can switch off." "Switch off?" "Yes, and take the inside track."

   1869, Oliver Optic, Switch Off; or, the War of the Students

   Besides Crow belting out "Bitch," the concert featured several artists switching off on lead vocals

   1997 February 1, Billboard, volume 109, number 5, page 84

   Freddie gave me a quick five-minute lesson on handling Cherry Pie and we switched off between sleeping and driving.

   2014, Samantha Verant, King of the Mutants