METHADONE /ˈmɛθədoʊn/ Scrabble 15 Words With Friends 16 Definition noun synthetic narcotic drug similar to morphine but less habit-forming. — synonyms: methadone_hydrochloride, methadon, dolophine_hydrochloride, fixer, synthetic_heroin See all 270 words you can make from METHADONE → 9-letter words Words starting with M Words ending with E ← Unscramble different letters