Unit 8 crossword puzzle

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Across
  1. 2. a chum, or a buddy or friend
  2. 4. bolster or to join at one end
  3. 6. A person who collects scraps; these can be rummagers
  4. 7. to be of use or benefit to; for profit
  5. 9. to make of no value; to cancel
  6. 12. you might do this to get into a secret base
  7. 15. to cause anger or irritation; vex
  8. 16. to limit, restrict, or scrimp
  9. 17. an agent, or a substitute
  10. 18. you would not want to die by this.
  11. 19. capable of being grasped by the mind; you could understand it
Down
  1. 1. Could be a hard-to-read message; puzzling
  2. 3. clothing or apparel
  3. 5. hatred, ill will, or hostility
  4. 8. going in different directions; unorthodox
  5. 10. tireless, continuing without vigor; steady
  6. 11. very earnest or extremely hot
  7. 13. to declare publicly; announce
  8. 14. thin and bony; has a look of starve
  9. 16. self-controlled, not showing pleasure or pain publicly