1. The sign language used in the United States.
4. Rhodesian statesman who declared independence of Zimbabwe from Great Britain (born in 1919).
9. (military) Signal to turn the lights out.
13. Edible tuber of any of several yams.
16. The 17th letter of the Greek alphabet.
17. An acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord.
18. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
19. Title for a civil or military leader (especially in Turkey).
20. Separate by dialysis.
22. A mountainous republic of south-central Europe.
24. Goddess of the dead and queen of the underworld.
25. Posing no difficulty.
26. The lowest molding of an architectural base or of a baseboard.
28. A row of unravelled stitches.
30. God of wealth and love.
32. A covering to disguise or conceal the face.
33. Lower in esteem.
35. A defensive missile designed to shoot down incoming intercontinental ballistic missiles.
38. A member of the Circassian people living east of the Black Sea.
41. The highest level or degree attainable.
44. Of or relating to Aram or to its inhabitants or their culture or their language.
49. A radioactive transuranic metallic element.
50. Any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate.
51. Situated at or extending to the side.
52. Grind together, of teeth.
54. Roman poet remembered for his elegiac verses on love (43 BC - AD 17).
55. A cut of pork ribs with much of the meat trimmed off.
56. Great merriment.
57. The sense organ for hearing and equilibrium.
59. Freedom from difficulty or hardship or effort.
61. A large vase that usually has a pedestal or feet.
62. Raspberry native to eastern North America having black thimble-shaped fruit.
65. Glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo).
68. Of or relating to or involving an area.
69. Worn or shabby from overuse or (of pages) from having corners turned down.
72. (the feminine of raja) A Hindu princess or the wife of a raja.
73. A Mid-Atlantic state.
78. Type genus of the Suidae.
79. Wild or seedling sweet cherry used as stock for grafting.
80. Armor plate that protects the chest.
84. Small terrestrial lizard of warm regions of the Old World.
88. A person who twists silk or rayon filaments into a thread or yarn.
91. A city in southern Turkey on the Seyhan River.
93. Mild yellow Dutch cheese made in balls.
94. Someone (especially a woman) who annoys people by constantly finding fault.
95. Flexible twig of a willow tree.
97. Not in action or at work.
99. A flat wing-shaped process or winglike part of an organism.
100. Goddess of criminal rashness and its punishment.
101. Cubes of meat marinated and cooked on a skewer usually with vegetables.
102. A strip of land projecting into a body of water.
103. The longer of the two telegraphic signals used in Morse code.

1. A unit of dry measure used in Egypt.
2. One of the two main branches of orthodox Islam.
3. Any of various perennial South American plants of the genus Loasa having stinging hairs and showy white or yellow or reddish-orange flowers.
4. A secret agent hired by a state to obtain (military) information about its enemies or by a business to obtain industrial secrets from competitors.
5. Tiny leafy-stemmed flowerless plants.
6. The part of the small intestine between the jejunum and the cecum.
7. A light strong gray lustrous corrosion-resistant metallic element used in strong light-weight alloys (as for airplane parts).
8. Notable English cricketer (1882-1963).
9. The act of flipping a coin.
10. Transient cessation of respiration.
11. United States architect (born in China in 1917).
12. Scarabaeid beetle considered divine by ancient Egyptians.
13. A name for the Old Testament God as transliterated from the Hebrew YHVH.
14. American novelist (1909-1955).
15. A public area set aside as a pedestrian walk.
21. A true bug.
23. Consisting of or made of wood of the oak tree.
27. When dried yields a hard substance used e.g. in golf balls.
29. Relating to the use of or having the nature of an interrogation.
31. The blood group whose red cells carry both the A and B antigens.
34. A decree that prohibits something.
36. A master's degree in library science.
37. (British) The side of a vehicle nearest the kerb.
39. (zoology) Of or resembling a goose.
40. Butterfly-shaped bone at the base of the skull.
42. Troops trained to fight on horseback.
43. The 3 goddesses of fate or destiny.
45. Italian painter whose many paintings exemplify the ideals of the High Renaissance (1483-1520).
46. Being nothing more than specified.
47. A particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography).
48. Not contained in or deriving from the essential nature of something.
53. (zoology) Pertaining to alulae.
58. A metric unit of volume or capacity equal to 10 liters.
60. The syllable naming the fourth (subdominant) note of the diatonic scale in solmization.
63. Outstanding Italian operatic tenor (1873-1921).
64. A person who is gullible and easy to take advantage of.
66. A soft silvery metallic element of the rare earth group.
67. An outlying farm.
70. Long pinkish sour leafstalks usually eaten cooked and sweetened.
71. (of pain or sorrow) Made easier to bear.
74. A state in northwestern North America.
75. A temporally organized plan for matters to be attended to.
76. The cry made by sheep.
77. A song or hymn of mourning composed or performed as a memorial to a dead person.
81. Stairway in India leading down to a landing on the water.
82. Baby bed with high sides.
83. Concerning those not members of the clergy.
84. (Akkadian) God of wisdom.
85. (Babylonian) God of storms and wind.
86. The arch of bone beneath the eye that forms the prominence of the cheek.
87. A woman hired to suckle a child of someone else.
89. Pan with a convex bottom.
90. The compass point midway between east and southeast.
92. Any high mountain.
93. The blood group whose red cells carry both the A and B antigens.
96. (Akkadian) God of wisdom.
98. The branch of engineering science that studies the uses of electricity and the equipment for power generation and distribution and the control of machines and communication.