GYNECOMASTIA /ˌɡaɪnɪkə(ʊ)ˈmæstɪə/ Scrabble 20 Words With Friends 23 Definition noun excessive development of the breasts in males. See all 1251 words you can make from GYNECOMASTIA → 12-letter words Words starting with G Words ending with A ← Unscramble different letters