In a very painful manner
(Adverb)
Synonyms:
  1. excruciatingly
  2. torturously
  3. baldly
  4. balefully
  5. confoundedly
  6. damnably
  7. deplorably
  8. deucedly
  9. distressingly
  10. egregiously
  11. harrowingly
  12. heartbreakingly
  13. infernally
  14. intolerably
  15. nakedly
  16. pathetically
  17. piteously
  18. pitiably
  19. ruefully
  20. shatteringly
  21. unashamedly
  22. unbearably
  23. unconscionably