Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb buckle_down
1 sense of buckle down
Sense 1
slave, break one's back, buckle down, knuckle down -- (work very hard, like a slave)
=> work, do work -- (be employed; "Is your husband working again?"; "My wife never worked"; "Do you want to work after the age of 60?"; "She never did any work because she inherited a lot of money"; "She works as a waitress to put herself through college")