Try Our Apps
Dictionary.com

follow Dictionary.com

The Best Internet Slang

lights out

noun
1.
Chiefly Military. a signal, usually by drum or bugle, that all or certain camp or barracks lights are to be extinguished for the night.
2.
Origin of lights out
1865-1870
First recorded in 1865-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for lights out
Contemporary Examples
Historical Examples
  • He advised Will and Elmer to come on softly with their lights out.

  • The Night seemed listening—all lights out, all hearts at rest.

    The Patrician John Galsworthy
  • All were expected to be in bed and all lights out by half-past eight.

    A Forgotten Hero Emily Sarah Holt
  • Hearing the row and the sound of our talking after ‘lights out!’

    Young Tom Bowling J.C. Hutcheson
  • She turned the lights out in her room and undressed herself in the darkness.

  • I could hear their songs long after "lights out" had sounded.

    The Red Watch J. A. Currie
British Dictionary definitions for lights out

lights out

noun
1.
the time when those resident at an institution, such as soldiers in barracks or children at a boarding school, are expected to retire to bed
2.
a fanfare or other signal indicating or signifying this
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Slang definitions & phrases for lights out

lights out

noun phrase

  1. Bedtime: Lights out is at 10:30
  2. The end; death; curtains: otherwise lights out for me

Related Terms

punch someone's lights out, shoot the lights out

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
Cite This Source

Word of the Day

Difficulty index for lights out

Few English speakers likely know this word

Word Value for lights

10
11
Scrabble Words With Friends

Nearby words for lights out