BREAK ONE'S BACK(verb) Did you mean: Antonyms Rhymes Definitions There is 1 meaning of the phrase Break One's Back. Break One's Back - as a verb Work very hard, like a slave Synonyms (Exact Relations)buckle downknuckle downWord Variations & RelationsAnagrams Starts B Starts BR Starts BRE Starts BREA Ends K Ends CK Ends ACK Ends BACK Starts B & ends K Starts BR & ends K Starts B & ends CK A-Z Proximitiesbreadwinners 18breadwinning 19breadwinnings 20bready 12break 11 Break One's Back break-axebreak-dancebreak-inbreakabilitybreakable 17