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lights–out

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noun \ˈlīts-ˈau̇t\

Simple Definition of lights–out

  • : a time when people (such as soldiers, prisoners, or students) are required to turn out the lights and go to bed

Source: Merriam-Webster's Learner's Dictionary

Full Definition of lights–out

  1. 1 :  a command or signal for putting out lights

  2. 2 :  a prescribed bedtime for persons living under discipline

1868

First Known Use of lights–out

1868


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WORD OF THE DAY

different from the usual or normal

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