lights-out

noun

1
: a command or signal for putting out lights
2
: a prescribed bedtime for persons living under discipline

Examples of lights-out in a Sentence

Recent Examples on the Web
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Bricks in Boston To beat the second seed in the Eastern Conference, the undermanned Warriors needed to shoot lights-out from behind the arc. Joseph Dycus, Mercury News, 19 Mar. 2026 Meanwhile, left-hander Eduardo Rodríguez and lights-out relievers limited the Americans to two hits through the seventh. Assistant Sports Editor, Los Angeles Times, 18 Mar. 2026 Meanwhile, left-hander Eduardo Rodríguez and lights-out relievers limited the Americans to two hits through the seventh. Dallas Morning News, 17 Mar. 2026 The Celtics responded with a lights-out three-point performance in Game 5, but the Knicks ended the series in six. Kristian Winfield, New York Daily News, 9 Mar. 2026 See All Example Sentences for lights-out

Word History

First Known Use

1864, in the meaning defined at sense 1

Time Traveler
The first known use of lights-out was in 1864

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Cite this Entry

“Lights-out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lights-out. Accessed 22 Mar. 2026.

Last Updated: - Updated example sentences
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