Word up!

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Across
  1. 2. organization non profit group of individuals
  2. 6. unhappiness
  3. 8. to roll, toss, or wallow
  4. 9. a complete loss or absence of hope
  5. 11. becoming thin and tall with age
  6. 13. an absurd or embarrassing blunder
  7. 16. little
  8. 18. moving quickly through the air with a whistling sound
  9. 19. corn-like grain
  10. 20. disagreement, argument, or debate
Down
  1. 1. to more lightly and quickly hurriedly
  2. 3. grasp mentally; understand
  3. 4. delay in achieving success
  4. 5. A wonderful or astonishing thing
  5. 7. in the air; overhead
  6. 10. to place or bear something on the shoulder
  7. 12. long parasitic worm
  8. 14. place with cool winters
  9. 15. a small crudely built shack
  10. 17. serious and immediate danger