HYPERTHYROIDISM /ˌhaɪ̯pəˈθaɪ̯ɹɔɪ̯ˌdɪzəm/ Scrabble 32 Words With Friends 30 Definition noun an overactive thyroid gland. — synonyms: thyrotoxicosis See all 1367 words you can make from HYPERTHYROIDISM → 15-letter words Words starting with H Words ending with M ← Unscramble different letters