MILDEW /ˈmɪl.djuː/ Scrabble 12 Words With Friends 14 Definition verb become moldy. — synonyms: mold noun the process of becoming mildewed. — synonyms: mold, mould noun a fungus that produces a superficial (usually white) growth on organic matter. See all 47 words you can make from MILDEW → 6-letter words Words starting with M Words ending with W ← Unscramble different letters