put something to sleep

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put (something) to sleep

1. To kill an animal via euthanasia so as not to cause pain. The poor dog was so old that the only thing I could do was put it to sleep. It couldn't even walk anymore.
2. To put an electronic device, such as a computer or phone, into standby while not in use. Be sure to put the computer to sleep when you're finished so you don't waste electricity.
See also: put, sleep
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

put something to sleep

1 kill (an animal, especially an old, sick, or badly injured one) painlessly. euphemistic 2 put (a computer) on standby while it is not being used.
See also: put, sleep, something
Farlex Partner Idioms Dictionary © Farlex 2017

put somebody/something to ˈsleep

1 give somebody drugs (= an anaesthetic) before an operation to make them unconscious: Before the operation we’ll put you to sleep, so don’t worry, you won’t feel a thing.
2 kill a sick or injured animal by giving it drugs so that it dies without pain: She took her old dog to the vet and he put it to sleep.
Farlex Partner Idioms Dictionary © Farlex 2017
See also: