The comparatives

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Across
  1. 5. THINNER
  2. 7. PLUMPER
  3. 8. SHORTER
  4. 9. NICER
  5. 11. EASIER
  6. 13. WORSE
  7. 15. MOREINTERESTING
Down
  1. 1. MOREINTELLIGENT
  2. 2. CUTER
  3. 3. BETTER
  4. 4. MOREATTRACTIVE
  5. 6. HARDER
  6. 10. COLDER
  7. 12. SLIMMER
  8. 13. BIGGER
  9. 14. WETTER