Buck up
Buck up verb - To become glad or hopeful.
Get cracking and buck up are semantically related. In some cases you can use "Get cracking" instead a verb "Buck up".
Get cracking
Get cracking verb - Start to be active.
Buck up and get cracking are semantically related. Sometimes you can use "Buck up" instead a verb phrase "Get cracking".
Mutual synonyms
Cite this Source
Get cracking and Buck up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/buck_up/get_cracking
Buck up & Get cracking. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/buck_up/get_cracking>.
Get cracking or Buck up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/buck_up/get_cracking.
Google Ngram Viewer shows how "buck up" and "get cracking" have occurred on timeline