Buck up
Buck up verb - To become glad or hopeful.
Usage example: buck up, kids, it's not so bad as you're making it out to be
Cite this Source
Perk and Buck up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/buck_up/perk
Buck up & Perk. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/buck_up/perk>.
Perk or Buck up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/buck_up/perk.
Google Ngram Viewer shows how "buck up" and "perk" have occurred on timeline