Cut to bone is a phrase used to describe the deepest or most severe level of a cut. Antonyms for this phrase could be shallow, superficial, or insignificant. These words mean that the cut is not as severe and does not reach the bone. Other antonyms could be healed, mended, or cured, indicating that the cut has completely healed and is no longer a problem. Another antonym could be prevented, meaning that the cut was avoided in the first place. Whatever the antonym used, it provides a different perspective on the level and severity of a cut, or the ability to avoid it in the first place.