Aaron's crossword puzzle

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Across
  1. 3. a joining for some common purpose
  2. 5. completely empty
  3. 8. unfriendly
  4. 12. to discourage
  5. 14. easily set on fire
  6. 15. impose
  7. 17. to bring about
  8. 19. to run quickly
  9. 20. to hurt someone's feelings deeply
Down
  1. 1. deadly
  2. 2. to puzzle completely
  3. 4. so close of being equivalent to the real thing
  4. 6. disobedient
  5. 7. soaked with liquid or moisture
  6. 9. a clown
  7. 10. unsuccessful
  8. 11. to draw back suddenly
  9. 13. full of life
  10. 16. in agreement or established or generally accepted beliefs or ways of doing things
  11. 18. arousing argument