Pimpled or pimply are antonyms for the word pimpliest. However, pimply and pimpled are also used as synonyms for this term, depending on the context of the sentence. The term pimpliest is derived from the adjective "pimple," which describes a small, bumpy spot or pustule on the skin, usually caused by acne. Antonyms are words that have opposite meanings, so the opposite of pimpliest would mean indicating smooth and flawless skin. Therefore, some suitable antonyms for pimpliest may include words like clear, sleek, spotless or smooth, all of which suggest smoothness, clarity, or cleanliness.