SINCE 1828
switch off
phrasal verb
switched off;
switching off;
switches off
Definition of switch off
1
: to turn off (something) by turning or pushing a button or moving a switch, lever, etc.
He switched off the light/lamp. He switched the TV off.
2
informal
: to stop paying attention
When the topic turned to the stock market, he switched off.
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Merriam-Webster unabridged
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