Last Kids on Earth Puzzle

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Across
  1. 5. of speech
  2. 9. secret and private
  3. 10. - cannot be entered
  4. 11. -opposite of safety
  5. 14. estimate
  6. 16. -causing fear
  7. 18. and noise
  8. 19. - gigantic and mean
  9. 20. - mo-never stratagem
Down
  1. 1. a young woman
  2. 2. unclear imprecise
  3. 3. and perplexing
  4. 4. - threatening and portending
  5. 6. shaped
  6. 7. - brutal and crude
  7. 8. first and original
  8. 12. pain
  9. 13. massive or imposing
  10. 15. - savage and crazy
  11. 17. - likely to occur at any moment