Breaking one's back refers to working extremely hard, often to the point of exhaustion or injury. Some antonyms for this phrase include relaxing, taking it easy, resting, and slacking off. These terms convey a sense of leisure, free time, and relaxation, and imply that the opposite of breaking one's back is taking time to unwind and recharge. Other antonyms for this phrase might include delegating tasks, working smarter instead of harder, or finding ways to streamline one's workload. Whatever the opposite of working oneself to the bone may be, it's clear that taking breaks and finding balance is key to staying healthy and productive in the long run.