THE DOG NAMED DUKE

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Across
  1. 2. to give a sharp
  2. 4. a point of danger
  3. 8. do something by impulse
  4. 9. moved quickly
Down
  1. 1. tight
  2. 3. to shut forcefully
  3. 5. a band for tying dogs
  4. 6. to shake or vibrate slightly
  5. 7. became dull