SUPEREROGATION /ˌs(j)uːpəɹɛɹəˈɡeɪʃ(ə)n/ ► audio Scrabble 17 Words With Friends 21 Definition noun an effort above and beyond the call of duty. See all 3022 words you can make from SUPEREROGATION → 14-letter words Words starting with S Words ending with N ← Unscramble different letters