buckle down
verb
buckled down; buckling down; buckles down
informal
: to start to work hard
You had better buckle down if you want to get good grades.
Cite this Entry
“Buckle down.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buckle%20down. Accessed 14 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
