1. (adj)polysyllabic having or characterized by words of more than three syllables Synonyms: sesquipedalian Antonyms: short, nonsyllabic, unsyllabic
2. (adj)polysyllabic, sesquipedalian (of words) long and ponderous; having many syllables Synonyms: sesquipedalian, polysyllabic Antonyms: nonsyllabic, unsyllabic, short