Most carnivalesque refers to something that is lively, colorful, and festive, almost like a carnival. The antonyms for the word most carnivalesque are somber, dull, drab, and dreary. These words describe something that is gloomy, dark, and lacks excitement. In contrast to the vibrant and entertaining atmosphere of a carnival, their opposite meanings represent a state of boredom and monotony. So, if you are looking for a subdued and serious environment, you might prefer to avoid places that are most carnivalesque, and instead seek out locations where the atmosphere is somber, dull, drab, and dreary instead.