adjectives and their opposites

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Across
  1. 4. uninteresting
  2. 6. onintresting
  3. 7. informal
  4. 10. hopeless
  5. 11. disliked
  6. 12. unhelpful
Down
  1. 1. disfunctional
  2. 2. dishonest
  3. 3. ungratful
  4. 5. fearless
  5. 8. illegal
  6. 9. disinfected
  7. 10. unhappy