Lighten up
Lighten up verb - Make lighter or brighter.
Lighten is a synonym for lighten up. In some cases you can use "Lighten" instead a verb "Lighten up".
Lighten
Lighten verb - Make lighter or brighter.
Mutual synonyms
Cite this Source
Lighten and Lighten up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/lighten_up/lighten
Lighten up & Lighten. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/lighten_up/lighten>.
Lighten or Lighten up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/lighten_up/lighten.
Google Ngram Viewer shows how "lighten up" and "lighten" have occurred on timeline