The phrase "run into the ground" typically means to overuse or mismanage something to the point of ruins. The antonyms of this expression could be "preserve," "maintain," or "sustain," which means to take care of something and avoid damaging it. Additionally, "recovery" could be another antonym, which means to restore something to its original state after it has been damaged. Other antonyms could include "upgrade," "enhance," or "improve," which means to make something better than before. These antonyms demonstrate that a more responsible and positive approach can protect and keep something in a better condition rather than destroy or misuse it.