1. Kidney disease characterized by enlarged kidneys containing many cysts.
4. Harsh or corrosive in tone.
8. An enclosed space.
11. (Irish) Mother of the ancient Irish gods.
12. An informal term for a father.
13. A rapid bustling commotion.
14. A sock with a separation for the big toe.
16. Having undesirable or negative qualities.
17. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
18. A unit of power equal to 746 watts.
19. A flat wing-shaped process or winglike part of an organism.
23. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
24. A constellation in the southern hemisphere near Telescopium and Norma.
26. A compartment in front of a motor vehicle where driver sits.
28. A condition (mostly in boys) characterized by behavioral and learning disorders.
29. Mentally or physically infirm with age.
31. The elementary stages of any subject (usually plural).
33. The capital and largest city of Yemen.
38. Small genus of erect balsam-scented herbs.
42. Angular distance above the horizon (especially of a celestial object).
43. A radioactive element of the actinide series.
45. (Sumerian) Water god and god of wisdom.
49. A decree that prohibits something.
50. The lower house of the parliament of the Republic of Ireland.
51. A master's degree in business.
52. A loose sleeveless outer garment made from aba cloth.

1. A course of conduct.
2. Strike sharply.
3. A light touch or stroke.
4. A public promotion of some product or service.
5. An esoteric or occult matter that is traditionally secret.
6. An agency of the United Nations affiliated with the World Bank.
7. An informal term for a father.
8. A deep bow.
9. (Babylonian) God of storms and wind.
10. Fatty pinkish flesh of small salmon caught in the Pacific and Great Lakes.
15. A plant hormone promoting elongation of stems and roots.
20. Resinlike substance secreted by certain lac insects.
21. A person forced to flee from home or country.
22. A flexible container with a single opening.
25. An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
27. The cry made by sheep.
30. Attack someone physically or emotionally.
32. A soft silvery metallic element of the alkali earth group.
34. A former agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States.
35. A silvery soft waxy metallic element of the alkali metal group.
36. Cubes of meat marinated and cooked on a skewer usually with vegetables.
37. A city in southern Turkey on the Seyhan River.
39. The inner and longer of the two bones of the human forearm.
40. A state in northwestern North America.
41. A small cake leavened with yeast.
42. An informal term for a father.
44. Title for a civil or military leader (especially in Turkey).
46. (Sumerian) Goddess personifying earth.
47. Diabetes caused by a relative or absolute deficiency of insulin and characterized by polyuria.
48. The blood group whose red cells carry both the A and B antigens.