BREAK ONE'S BACK(verb)Did you mean?Antonyms RhymesDefinitions 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 & RelationsAnagramsStarts BStarts BRStarts BREStarts BREAEnds KEnds CKEnds ACKEnds BACKStarts B & ends KStarts BR & ends KStarts B & ends CKA-Z Proximitiesbreadwinners18breadwinning19breadwinnings20bready12break11 Break One's Back break-axebreak-dancebreak-inbreakabilitybreakable17