the best crossword puzzle ever!

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Across
  1. 3. flimsy
  2. 6. to increase in greatness
  3. 8. abusive
  4. 9. to re-echo
  5. 10. shapeless
  6. 12. bookish
  7. 16. recover quickly
  8. 17. a distinctive air or personal quality
  9. 19. easy to speak to
Down
  1. 1. relating to
  2. 2. thin,light
  3. 4. the ideal example of a particular type of person or thing
  4. 5. to disown
  5. 7. impossible to see through physically
  6. 8. persistent
  7. 11. to argue with someone against someone
  8. 13. incapable of being changed
  9. 14. illegal traffic
  10. 15. a natural inclination
  11. 18. complaining