Antonyms for the phrase "out one misery" would refer to various states of being happy or content. Some possible antonyms include "in one's element," "at peace," "comfortable," "contented," "satisfied," and "happy." These words describe emotions that are the opposite of misery, which is a feeling of great distress or suffering. If someone is "in their element," they are doing something that they are skilled at and enjoy. Being "at peace" suggests a calm state of mind, while "comfortable" and "contented" imply a feeling of ease and satisfaction. Overall, these antonyms describe the opposite of feeling miserable and highlight the importance of happiness and well-being in life.