Find the opposites of the words given as clues

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Across
  1. 2. - quiet
  2. 4. - dreary
  3. 5. - zenith
  4. 9. - voluntary
  5. 12. - graceful
  6. 14. - lenient
  7. 16. - some
  8. 19. - safe
  9. 21. - narrow
  10. 23. - senior
  11. 25. - wild
Down
  1. 1. - exclude
  2. 3. - natural
  3. 6. - decline
  4. 7. - contaminated
  5. 8. - rude
  6. 10. - collect
  7. 11. - contract
  8. 13. - miser
  9. 15. - straight
  10. 17. - proud
  11. 18. - pessimist
  12. 20. - courteous
  13. 22. - shut
  14. 24. - opposite