MACROMOLECULE /ˈmækɹəʊˌmɒlɪkjuːl/ ► audio Scrabble 21 Words With Friends 28 Definition noun any very large complex molecule. — synonyms: supermolecule See all 319 words you can make from MACROMOLECULE → 13-letter words Words starting with M Words ending with E ← Unscramble different letters