Out of one misery could be antonymized with words such as uplift, elate, and relieve. Uplift means to raise someone's spirits or emotions, to instill hope or joy. Elate, on the other hand, refers to the state of extreme happiness or joy, while relieve means to free someone from pain or discomfort. These words are antonyms of out of one's misery, which means to get out of a situation of intense suffering or pain. These antonyms indicate feelings of pleasure, joy, and relief, which are the opposite of the misery one experiences.