break one's back

1. 1.

   work very hard, like a slave

   Synonymsslavebuckle downknuckle down

   Broaderwork

Questions about break one's back

What does break one's back mean?

break one's back means "work very hard, like a slave".

What is another word for break one's back?

Close synonyms include slave, buckle down, knuckle down. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.