Adjectives:

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Across
  1. 2. there are too many people in a place
  2. 5. extremely large
  3. 7. not having enough space
  4. 10. in bad condition and in need of repair
Down
  1. 1. unusual and attractive,especially in an old-fashioned way
  2. 3. darkia way that is unpleasant and makes it difficult to see
  3. 4. unpleasantly bright in colour
  4. 6. borinng and making you feel unhappy
  5. 8. veru provate and quiet
  6. 9. surrounded by views of beautiful countryside