(Mostly) Prefix Crossword Puzzle!

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Across
  1. 2. someone who doesn't fit in
  2. 5. when something isn't full price
  3. 7. game with a King and Queen
  4. 8. think about again
  5. 9. shockwaves after an earthquake
  6. 11. Elon Musks's new company
  7. 13. messy
  8. 15. not orderly
  9. 16. illness
  10. 19. before the war
  11. 20. cheap
  12. 21. determine ahead of time
Down
  1. 1. chewy candy
  2. 3. seeing ahead
  3. 4. Behave incorrectly
  4. 6. school subject AND websites visited
  5. 10. New York governor
  6. 12. Not honest
  7. 14. look again
  8. 17. Rigid
  9. 18. tv episodes that are aired again