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Across 4. a small stream 6. in a natural or raw state; not yet finished 7. dark, dirty, liquid; not clear 10. able to be heard 14. to utterly defeat or to reduce to particles 16. an instrument for measuring altitude 18. a sudden, internal, localized pain 19. to walk or unsteadily, as if about to fall 20. a simple, usually, roughly made structure with rafters leaning against a building or a supporting beam

Down 1. to laugh at unkindly; to make fun of 2. extreme happiness 3. barely sufficient in amount ; thin 5. violent, or unsteady movement of air or water 8. expressing regret 9. how high or low you are (sea level) 11. annoyance; irritation 12. to move suddenly or to speed 13. to broadcast or send out 15. to shrink back from pain and distress 17. to move or balance unsteadily; sway back and forth