The word "most brooding" can be challenging to find antonyms for. However, antonyms for brooding may be more active or joyful words like exuberant, buoyant, lively, cheerful, or optimistic. These words are antonyms because they are the opposite of the introspective, sad, or moody sentiments that brooding implies. For example, an individual known to be brooding may change to become more exuberant with a shift in mindset. Ultimately, antonyms for "most brooding" describe someone or something that is lively and has a positive outlook on life. Embracing positivity and optimism can be a powerful tool to combat feelings of brooding.