Lighten up
Lighten up verb - Make lighter or brighter.
Weaken and lighten up are semantically related. in let up topic. In some cases you can use "Weaken" instead a verb "Lighten up".
Weaken
Weaken verb - To diminish the physical strength of.
Lighten up and weaken are semantically related. Sometimes you can use "Lighten up" instead a verb "Weaken".
Mutual synonyms
Cite this Source
Weaken and Lighten up. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/lighten_up/weaken
Lighten up & Weaken. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/lighten_up/weaken>.
Weaken or Lighten up. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/lighten_up/weaken.
Google Ngram Viewer shows how "lighten up" and "weaken" have occurred on timeline