IRREDEEMABLE /ɪɹəˈdiːməbəl/ Scrabble 17 Words With Friends 20 Definition adjective insusceptible of reform. — synonyms: irreclaimable, unredeemable, unreformable adjective (of paper money) not convertible into coin at the pleasure of the holder. See all 476 words you can make from IRREDEEMABLE → 12-letter words Words starting with I Words ending with E ← Unscramble different letters