Dreggy, meaning muddy or sludgy, has multiple antonyms depending on its context. In the context of a liquid, the antonyms would be clear or pure. If used in the context of taste or quality, the antonyms would be refined or premium. In the context of cleanliness, the antonyms could be immaculate or pristine. Overall, the antonyms for dreggy vary based on the meaning and usage of the word. By using the appropriate antonym for dreggy, one can convey the opposite meaning effectively and accurately.