1. North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean.
4. A drug (trade name Antabuse) used in the treatment of alcoholism.
12. A light touch or stroke.
15. A fractional monetary unit of Japan and Indonesia and Cambodia.
16. Type genus of the Serranidae.
17. One of the most common of the five major classes of immunoglobulins.
18. Severe diabetes mellitus with an early onset.
20. A bluish shade of green.
21. Equipped with or connected by gears or having gears engaged.
23. A river in northwestern Russia flowing generally west into the Gulf of Finland.
24. Jordan's port.
26. Similar to the color of jade.
27. The father of your father or mother.
30. Covered with paving material.
32. The basic unit of money in Iran.
33. An associate degree in nursing.
34. The branch of computer science that deal with writing computer programs that can solve problems creatively.
37. Science and technology of electronic systems and devices for aeronautics and astronautics.
40. A region of northeastern France famous for its wines.
42. Of or relating to the stomach and intestines.
43. A white metallic element that burns with a brilliant light.
44. Goddess of the dead and queen of the underworld.
46. Used of a single unit or thing.
47. A legal document codifying the result of deliberations of a committee or society or legislative body.
49. An outlying farm building for storing grain or animal feed and housing farm animals.
53. God of death.
55. Any of numerous perennial bulbous herbs having linear or broadly lanceolate leaves and usually a single showy flower.
57. The villain in William Shakespeare's tragedy who tricked Othello into murdering his wife.
58. Relating to or characteristic of Arabs.
61. An ancient Egyptian city on the west bank of the Nile opposite Cairo.
62. The 16th letter of the Hebrew alphabet.
63. On the negative side or lower end of a scale.
65. The immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose.
67. Extensive landed property (especially in the country) retained by the owner for his own use.
69. After a negative statement used to indicate that the next statement is similarly negative.
73. Sacred text of Zoroastrianism.
76. A loose sleeveless outer garment made from aba cloth.
77. A logarithmic unit of sound intensity equal to 10 decibels.
78. (of a nuclear reaction) Occurring with evolution or releasing of energy.
80. (computer science) Memory whose contents can be accessed and read but cannot be changed.
81. The part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands.
82. A river in northeastern Brazil that flows generally northward to the Atlantic Ocean.
83. A nucleic acid consisting of large molecules shaped like a double helix.

1. An act that exploits or victimizes someone.
2. (Judaism) The ceremonial dinner on the first night (or both nights) of Passover.
3. (Norse mythology) A dwarf who possessed a treasure that was stolen by Loki.
4. A very poisonous metallic element that has three allotropic forms.
5. Remaining after all deductions.
6. A step in walking or running.
7. Any of various strong liquors distilled from the fermented sap of toddy palms or from fermented molasses.
8. When dried yields a hard substance used e.g. in golf balls.
9. An organization of independent states to promote international peace and security.
10. A white crystalline carbohydrate used as a sweetener and preservative.
11. The compass point midway between east and southeast.
12. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
13. Advanced in years.
14. A Chadic language spoken in northern Nigeria.
19. A starch made by leaching and drying the root of the cassava plant.
22. A genus of Platalea.
25. Obvious and dull.
28. (Irish) Mother of the Tuatha De Danann.
29. American prizefighter who won the world heavyweight championship three times (born in 1942).
31. A Bantu language.
35. Grandson of Amaterasu and first ruler of Japan.
36. One of the evil spirits of traditional Jewish and Christian belief.
38. A Roman Catholic priest who acts for another higher-ranking clergyman.
39. A gesture involving the shoulders.
41. Hungarian wine made from Tokay grapes.
45. (Sumerian) God of the air and king of the Sumerian gods.
48. A restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner).
50. A highly unstable radioactive element (the heaviest of the halogen series).
51. A cut of pork ribs with much of the meat trimmed off.
52. Deciduous South African tree having large odd-pinnate leaves and profuse fragrant orange-yellow flowers.
54. True firs.
56. The god who fathered the islands and gods of Japan with his sister Izanami.
59. The arch of the foot.
60. Battle in 401 BC when the Persian King Artaxerxes II defeated his younger brother who tried to usurp the throne.
64. A toxic nonmetallic element related to sulfur and tellurium.
68. Divisible by two.
70. Not easy.
71. Very dark black.
72. Avatar of Vishnu.
74. A yearning for something or to do something.
75. A period marked by distinctive character or reckoned from a fixed point or event.
79. A state in northwestern United States on the Pacific.