Free Lunch

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Across
  1. 3. a fight
  2. 4. to stare agape
  3. 7. determination
  4. 8. to look at someone with a mad face
  5. 10. intangible concept
  6. 11. to appreciate
  7. 13. to approach angrily
  8. 16. a creature that benefits from another
  9. 19. medicine for infection
Down
  1. 1. stubborn in a good way
  2. 2. maze
  3. 5. clumsy person
  4. 6. sad and useless
  5. 9. a legal document removing responsibility
  6. 12. fight
  7. 14. upset
  8. 15. to look at angrily
  9. 17. worn out
  10. 18. skinny
  11. 20. claw