Buff up
Lighten
Lighten verb - To become glad or hopeful.
Mutual synonyms
Cite this Source
Lighten and Buff up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/buff_up/lighten
Buff up & Lighten. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/buff_up/lighten>.
Lighten or Buff up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/buff_up/lighten.
Google Ngram Viewer shows how "buff up" and "lighten" have occurred on timeline