To a wasteful manner or to a wasteful degree
(Adverb)
Synonyms:
  1. prodigally
Synonyms:
(Adjective)
  1. extravagantly
  2. profligately
  3. improvidently
  4. carelessly
  5. wildly
  6. immoderately
  7. thriftlessly
  8. recklessly
  9. destructively
  10. unstintedly
  11. incontinently
  12. foolishly
  13. lavishly
  14. inconsiderately
  15. openhandedly
  16. imprudently
  17. ruthlessly
  18. profusely
  19. overgenerously
  20. with no thought for tomorrow
  21. without a second thought
  22. without restraint
  23. without good sense
  24. without consideration