The Opposite is the Answer

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Across
  1. 2. true
  2. 3. single
  3. 7. ugly
  4. 10. cloudy
  5. 11. noisy
  6. 14. wet
  7. 16. small
  8. 17. clean
  9. 18. serious
  10. 19. fat
  11. 21. new
Down
  1. 1. new
  2. 4. cheap
  3. 5. tall
  4. 6. friendly
  5. 8. bored
  6. 9. "nothing to do"
  7. 12. cold
  8. 13. hungry
  9. 14. easy
  10. 15. old
  11. 20. short