What is the meaning of buck up?

verb

WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). buck up. Retrieved September 22, 2026, from http://smartdefine.org/buck_up/definitions/1262073
ChicagoWordNet. 2010. "buck up" http://smartdefine.org/buck_up/definitions/1262073 (accessed September 22, 2026).
HarvardWordNet 2010, buck up, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/buck_up/definitions/1262073>.
MLAWordNet. "buck up" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/buck_up/definitions/1262073>