The word "most racked" suggests a state of extreme distress, pain, or anguish. Antonyms for this phrase might include words that indicate a sense of calm, peacefulness, or tranquility. Some possible antonyms could include soothing, relaxing, or comforting. Other words that could be used to describe a state of ease might include serene, tranquil, or peaceful. Antonyms for "most racked" might also include words that suggest a sense of clarity or understanding, such as enlightened, informed, or knowledgeable. Whatever words are chosen, the opposite of "most racked" represents a state of mind and body that is in stark contrast to the turmoil and distress suggested by the original phrase.