Harefooted is an adjective that describes someone or something that moves quickly or gracefully, like a hare. The antonyms, on the other hand, refer to the opposite of such characteristics. Some antonyms for harefooted include clumsy, slow, sluggish, ponderous, lumbering, and heavy-footed. These words denote a lack of swiftness, gracefulness or agility. A person who is harefooted can move with ease, while someone who is heavy-footed would be slow and loud. Therefore, the antonyms for harefooted describe people or things that move heavily or awkwardly, unlike a hare.