A person who pays more attention to formal rules and book learning than they merit
(Noun)
Synonyms:
  1. bookworm
  2. formalist
  3. doctrinaire
  4. dogmatist
  5. methodologist
  6. precisian
  7. bluestocking
  8. pedagogue
  9. egghead
  10. walking encyclopedia
  11. gongorist
  12. phrasemaker
  13. scholastic
  14. phrasemonger
  15. wordspinner