Louring is a word used to describe a gloomy or threatening appearance, often related to weather. Its antonyms are words that express the opposite meaning. Some of the antonyms for louring include sunny, bright, cheerful, lively, and happy. These words convey a sense of positivity and optimism, which is the opposite of the dark, dull and somber tone of louring. Using antonyms can help to create a contrast and add depth and dimension to your writing or conversation. For example, instead of saying "The sky was louring and overcast," you could say "The sky was bright and cheerful, with fluffy clouds.