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
Hearten
Hearten verb - To fill with courage or strength of purpose.
Usage example: thinking we were hopelessly lost, we were heartened by the sight of a familiar farmhouse
Buck up is a synonym for hearten in help topic. You can use "Buck up" instead a verb "Hearten", if it concerns topics such as encourage, cheer up. informal substitute
Mutual synonyms
Cite this Source
Hearten and Buck up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/buck_up/hearten
Buck up & Hearten. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/buck_up/hearten>.
Hearten or Buck up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/buck_up/hearten.
Google Ngram Viewer shows how "buck up" and "hearten" have occurred on timeline