The antonyms for the word "most cloddish" would be refined, sophisticated, elegant, polished, graceful, cultured, urbane, suave, polished, and cultivated. These words describe the opposite of being clumsy, moronic, and unskillful. They suggest a level of intelligence, creativity, and attention to details. People who are refined and elegant have a great taste for the finer things in life and are often admired for their impeccable manners and charm. In summary, using antonyms for "most cloddish" helps to highlight the qualities of elegance and grace and helps to differentiate people who possess grace and poise from those who do not.