Puzzle is a four letter word

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Across
  1. 3. at any time
  2. 4. done
  3. 7. internal framework of vertebrates
  4. 8. a brutish figure
  5. 9. a path for cars
  6. 15. a dull hurt
  7. 16. to retract an action
  8. 17. to move from a place
  9. 18. social animals that love nectar
  10. 19. social animal that loves meat
Down
  1. 1. an animal that frequently sheds its bones
  2. 2. a strong emotional attachment to a place, thing, or entity
  3. 4. yacht destroyer
  4. 5. stone
  5. 6. to raise the temp
  6. 10. a sign
  7. 11. the time before night
  8. 12. a long, mournful sound
  9. 13. you guys are this for me
  10. 14. the time after night