lighten up

verb

lightened up; lightening up; lightens up

intransitive verb

: to take things less seriously

Examples of lighten up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The east winds will lighten up later this week and through the weekend as the temperatures begin to heat up. Lissette Gonzalez, CBS News, 13 Apr. 2026 The neutral-to-cool light brown is lightened up with a neutral beige shade. Kaitlyn Yarborough, Southern Living, 4 Apr. 2026 Before heading to the launchpad, the astronauts were seen standing around a table in the operations building, in their orange suits, playing a card game — something one former astronaut said is a way for the crew to lighten up before the big moment. Jackie Wattles, CNN Money, 1 Apr. 2026 The Leo moon tests your ability to lighten up when unexpected pleasures come knocking. Usa Today, USA Today, 29 Mar. 2026 See All Example Sentences for lighten up

Word History

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of lighten up was in 1911

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Cite this Entry

“Lighten up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighten%20up. Accessed 15 Apr. 2026.

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