Prefixes un-,in-,im,re

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Across
  1. 4. Not finished
  2. 7. Not fair
  3. 9. Come back
  4. 11. Do again
  5. 12. if something can't ever happen, it's
  6. 13. Not like something else
  7. 14. Not perfect
  8. 15. not mature or acting your age
  9. 17. Not direct
  10. 19. being rude
Down
  1. 1. Build again
  2. 2. eager or very ready to act
  3. 3. Not active
  4. 5. if your answer is wrong, it's...
  5. 6. Not able to be seen
  6. 8. Play again
  7. 10. Write again
  8. 16. sad
  9. 18. Open something that is locked
  10. 19. Not complete