METHADON Scrabble 14 Words With Friends 15 Definition noun synthetic narcotic drug similar to morphine but less habit-forming. — synonyms: methadone, methadone_hydrochloride, dolophine_hydrochloride, fixer, synthetic_heroin See all 219 words you can make from METHADON → 8-letter words Words starting with M Words ending with N ← Unscramble different letters