The term "most pulverant" refers to something that is extremely powdery or dusty. Its antonyms would be words that describe things that are not powdery, such as solid, compact, or dense. Alternatively, antonyms for "most pulverant" could be words that describe cleanliness or clarity, such as tidy, unblemished, or transparent. Other antonyms could include words that describe weight or substance, such as hefty, substantial, or sturdy. In summary, the antonyms for "most pulverant" would depend on the specific context and would describe things that are opposite or distinct from the quality of being powdery.