The mysterious creepy puzzle

Edit Answers
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Across
  1. 4. odder
  2. 5. unpolite
  3. 7. more beautiful
  4. 8. curviest
Down
  1. 1. timider
  2. 2. funnier
  3. 3. clever
  4. 4. easiest
  5. 5. most precious
  6. 6. stay the same