To kill a mocking bird

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Across
  1. 3. incapable of being fully explored or understood
  2. 5. move or fall downward
  3. 6. of an independent person or body) reach an authoritative judgment or settlement.
  4. 7. kill or expertise in a particular activity or field.
  5. 10. deserving strong condemnation.
Down
  1. 1. not even or regular in pattern or movement; unpredictable.
  2. 2. brave, spirited, noble-minded, or chivalrous
  3. 4. howing strong feeling; forceful, passionate, or intense.
  4. 8. unable to bend or be forced out of shape; not flexible.
  5. 9. filled with excessive and single-minded zeal.