Buoy up
Buoy up verb - To fill with courage or strength of purpose.
Usage example: the sudden improvement in his health buoyed him up
Buck up
Buck up verb - To fill with courage or strength of purpose.
Usage example: a surprise presidential visit to buck up the troops
Mutual synonyms
Cite this Source
Buck up and Buoy up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/buoy_up/buck_up
Buoy up & Buck up. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/buoy_up/buck_up>.
Buck up or Buoy up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/buoy_up/buck_up.
Google Ngram Viewer shows how "buoy up" and "buck up" have occurred on timeline