The Letter Z Puzzle

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Across
  1. 2. To turn sharply
  2. 3. To sizzle
  3. 5. A person held to resemble the so-called walking dead
  4. 6. To stupefy
  5. 8. Something causing or meant to cause interest, surprise or shock
  6. 9. A piece of the peel of a citrus fruit used as flavoring
Down
  1. 1. One of the short straight lines at an angle to a zig
  2. 2. Eagerness and ardent interest in pursuit of something
  3. 3. To move with a loud humming sound
  4. 4. A figure representing the birth signs
  5. 5. The highest point reached in the heavens by a celestial body
  6. 6. An African mammal that is related to the horse
  7. 7. A bluish-white metallic element
  8. 8. The sixth letter of the Greek alphabet
  9. 9. A fastener consisting of two row of metal or plastic teeth