Antonyms for the word "most shriveled" would be words that describe something that is plump, inflated, or full. Words such as turgid, bloated, firm or fleshy would all be appropriate antonyms. Other antonyms could include words like succulent, juicy, or lush, which describe something that is fresh and full of moisture. These words describe a state of vitality and health, rather than a state of dryness and decay. Antonyms for "most shriveled" would embody the opposite of this state, indicating a condition of robustness rather than one of withering.