The most useless crossword ever

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Across
  1. 1. another word for smart
  2. 4. the best teacher ever
  3. 5. made of wheat and flour
  4. 6. the best piece of tech made
  5. 7. is honest
  6. 9. makes people laugh
Down
  1. 2. sus person
  2. 3. works hard
  3. 6. a product made of dairy
  4. 8. rely on no one