Opposite adjectives - write the opposite adjective of the one given

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Across
  1. 2. - weak
  2. 3. - tiny
  3. 6. - difficult
  4. 9. - rich
  5. 10. - outgoing
  6. 11. - rude
  7. 12. - short
  8. 14. - curly
  9. 15. - wonderful
  10. 16. - old
  11. 17. - slim
  12. 18. - fun
Down
  1. 1. - thick
  2. 2. - fun
  3. 4. - good-looking
  4. 5. - hard-working
  5. 6. - cheap
  6. 7. - tall
  7. 8. - small
  8. 13. - dark
  9. 16. - quiet