Lighten up
Lighten up verb - Make lighter or brighter.
Rest and lighten up are semantically related. In some cases you can use "Rest" instead a verb "Lighten up".
Rest
Rest verb - To refrain from labor or exertion.
Lighten up and rest are semantically related. Sometimes you can use "Lighten up" instead a verb "Rest".
Both terms in one sentence
- Eventually, he'll lighten up and become friendlier with the rest of your team, though he still occasionally argues with Noa.
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The manga went there eventually the final two arcs are much darker in tone than the rest of the story, though there was still the occasional funny moment at times to lighten up the drama.
Source: Manga / Ah! My Goddess -
In the second half, after meeting the rest of the 501st and seeing how they operate, she's convinced to lighten up a bit.
Source: Manga / Strike Witches
Cite this Source
Rest and Lighten up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lighten_up/rest
Lighten up & Rest. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lighten_up/rest>.
Rest or Lighten up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lighten_up/rest.
Google Ngram Viewer shows how "lighten up" and "rest" have occurred on timeline