switch off

switch off

1. To disable, disconnect, or stop the function of something, with or as with a power switch. In this usage, a noun or pronoun can be used between "switch" and "off." Please switch the water off when you're done brushing your teeth. I forgot to switch off my laptop, and now the battery is dead.
2. To cease functioning or become disabled or disconnected from power automatically. The computer switches off if has been inactive for more than an hour. The lights should switch off once there's no longer any motion on the premises.
3. To become unfocused, inattentive, or disengaged. I could tell my students were starting to switch off during my class, so I brought out the projector and started using old cartoons to illustrate my points. I like watching trashy TV shows as a way of switching off after a busy day of work.
4. To share a role or task with someone, alternating when each person is responsible. My wife and I switch off putting the kids to bed each night. There are too many dishes for one person to clean all of them, so let's just switch off halfway through.
See also: off, switch
Farlex Dictionary of Idioms.

switch someone or something off

to cause someone or something to be quiet or stop doing something. I got tired of listening to her, so I punched the button and switched her off. I switched off the television set.
See also: off, switch

switch off

 
1. Lit. [for something] to turn itself off. At midnight, all the lights switched off automatically. The television switched off after I went to sleep.
2. Fig. [for someone] to stop paying attention; to become oblivious to everything. I got tired of listening and switched off. You could see that the audience was switching off.
See also: off, switch
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

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.
See also: off, switch
The American Heritage® Dictionary of Idioms by Christine Ammer.

switch off

v.
1. To deactivate something using a switch: We switched off the lights before we left the house. Switch that vacuum cleaner off so you can hear what I'm saying.
2. To stop paying attention; lose interest: The whole class switched off when the professor started talking about accounting.
3. To alternate performing some task with another person: We switch off the baby-sitting every Friday so that one of us can go to the movies. It's a long drive, but if we switch off we won't get tired.
See also: off, switch
The American Heritage® Dictionary of Phrasal Verbs.

switch off

in. to become oblivious to everything. I want to go home and switch off—just forget this whole day. I have to switch off when I go home.
See also: off, switch
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • switch on
  • switched on
  • flip on
  • flick on
  • switch out
  • orient
  • orient to
  • orient to (something)
  • flip off
  • flip someone off
References in periodicals archive
"Drivers who park at the side of the road to complete paperwork or make a phone call should switch off because idling the engine for more than 10 seconds uses up more fuel than switching off and restarting again," he said.
When I hear the whinging Irish voice I switch off...I don't care which side it comes from," he stormed.
A council report says: "The switch off option is always an alternative although this has its own significant costs and consequences.
Rights groups such as the Kenya National Commission on Human Rights has called for credible and expeditious investigations into illegal switch off of television broadcasting rights.
This year, WWF expects the event to be its biggest yet, with 178 countries and territories participating, and along with millions of individuals, communities and businesses, over 350 iconic landmarks will switch off their lights for an hour, starting at 8:30 p.m.
He added: "When you switch off, you make a year-long commitment to reduce your impact on planet Earth.
Children and staff swapped their usual uniforms and work clothes for more striking attire, as part of 'Switch Off For tnight'.
A six-month trial scheme to switch off 130 street lights along the A444 between Binley Road, near Gosford Green, and the Ricoh Arena roundabout will begin on Saturday, December 1.
Warwickshire County Council brought in the new policy to switch off street lights after midnight in a bid to save PS500,000.
Every year, famous landmarks join businesses, communities and homes across the country as they switch off to mark WWF's Earth Hour.
Switch Off Fortnight has been organised by EDF Energy to encourage schools to reduce their energy consumption.
Family friend Ken Whitehead, 61, said: "There was no reason for them to switch off Eva's oxygen supply.
If we were to switch off for longer hours, paying the electricity bill would not be stressful any more.
Sefton council's environmental protection department (EPD) wants to hand drivers on-the-spot fines of up to pounds 40 if they do not switch off their vehicle when standing still for more than a couple of minutes.
Other buildings on Gateshead Quays are also set to switch off their lights on Saturday evening, including the Hilton Hotel, Sage Gateshead and Baltic, to mark Earth Hour, a global World Wide Fund for Wildlife initiative to promote action on climate change.