Prefix puzzle

1234567891011121314151617181920
Across
  1. 2. lost something
  2. 3. bad luck
  3. 8. not leading correctly
  4. 9. to thaw
  5. 11. the sight in front of you
  6. 13. used to exist
  7. 15. a group of ours past noon
  8. 17. bad information
  9. 19. trip
  10. 20. haven’t opened
Down
  1. 1. not decided
  2. 4. don’t know
  3. 5. Before game
  4. 6. not read right
  5. 7. not being truthful
  6. 9. not expected
  7. 10. if you don’t trust a person
  8. 12. get ready
  9. 14. you can’t do something
  10. 16. don’t have courage
  11. 18. not frequent