Solve the puzzle using the antonyms

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Across
  1. 2. expand
  2. 3. worsen
  3. 4. naive, inexperienced, unsophisticated
  4. 8. deflate
  5. 9. clean, pure, sterile
Down
  1. 1. opaque
  2. 5. dirtiness, foulness, filth
  3. 6. detractor
  4. 7. sophisticated, experienced, aware