un,dis, pre, re

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Across
  1. 2. – Print before needed
  2. 3. – Younger than thirteen
  3. 6. – Open with a key
  4. 7. – Relax or loosen
  5. 12. – Go backward, like a video
  6. 13. – Not cracked or damaged
  7. 14. – Come back to a group
  8. 15. – Something that makes things harder for you
  9. 16. – Already paid for
  10. 18. – Have a different opinion
  11. 19. – Make someone not allowed to compete
  12. 20. – Clean to kill germs
Down
  1. 1. – Not show respect
  2. 4. – Paint again
  3. 5. – Not done yet
  4. 8. – Warm up the oven before cooking
  5. 9. – Read one more time
  6. 10. – Take apart a knot
  7. 11. – Change the shape
  8. 17. – Sell before the main event