Find opposite word to

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Across
  1. 2. winter
  2. 6. day
  3. 7. often
  4. 10. ill
  5. 12. start
  6. 14. true
  7. 16. none
  8. 18. lady
  9. 19. full
  10. 20. open
  11. 21. wife
Down
  1. 1. alive
  2. 2. long
  3. 3. loud
  4. 4. near
  5. 5. dirty
  6. 8. late
  7. 9. town
  8. 10. light
  9. 11. enjoy
  10. 13. big
  11. 15. domestic
  12. 17. never