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Across 1. any of the main wing or tail feathers of a bird. 4. is a mountain that opens downward to a pool of molten rock below the surface of the earth. When pressure builds up, eruptions occur. Gases and rock shoot up through the opening and spill over or fill the air with lava fragments 5. run hurriedly or furtively with short quick steps;deliberately cause (a scheme) to fail: an opening with a lid in a ship's deck or side 8. argue about (something); discuss heatedly 10. move about or travel aimlessly or unsystematically, especially over a wide area 13. move around restlessly and stealthily, especially in search of or as if in search of prey. 14. move in an energetic or noisy manner 15. reaching a high or the highest degree; very great; either of two abstract things that are as different from each other as possible

Down 2. (especially of a bird) move rapidly downward through the air. 3. relieve (a person or animal) of the symptoms of a disease or condition. 6. shake involuntarily, typically as a result of anxiety, excitement, or frailty 7. a sudden intense feeling of fear 9. the destruction of a ship at sea; something, especially a vehicle or building, that has been badly damaged or destroyed. 11. an imaginary line about which a body rotates: a fixed reference line for the measurement of coordinates 12. complain or protest about something in a bad-tempered but typically muted way.