The word "cuspidated" is used to describe something that has a pointed or sharp end. Its antonyms, therefore, are words that describe objects, individuals, or concepts that lack pointed or sharp ends. Some antonyms for "cuspidated" include blunt, smooth, round, flat, and curved. In some cases, the antonym may also be ambiguous, depending on the context in which it is used. For example, the word "blunt" may refer to a lack of sharpness or a lack of tact, depending on the context. Overall, antonyms for "cuspidated" help provide a diverse vocabulary for writers and speakers to use in describing various objects and ideas.