1. The sign language used in the United States.
4. A thin layer covering something.
11. Cancel, annul, or reverse an action or its effect.
15. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
16. Tropical American herbs sometimes included in genus Episcia.
17. The basic unit of money in Myanmar.
18. An ugly evil-looking old woman.
19. A function such that for every element of one set there is a unique element of another set.
20. (the feminine of raja) A Hindu princess or the wife of a raja.
21. The blood group whose red cells carry both the A and B antigens.
23. A domed or vaulted recess or projection on a building especially the east end of a church.
25. An especially luminous meteor (sometimes exploding).
26. A sheet or band of fibrous connective tissue separating or binding together muscles and organs etc.
28. A rare silvery (usually trivalent) metallic element.
30. A farewell remark.
34. Fictitious land described in the novel Erewhon by Samuel Butler.
37. A metric unit of volume equal to one thousandth of a liter.
38. Proceed without interruption.
40. Greek mythology.
41. (Babylonian) God of storms and wind.
43. Hormones (estrogen and progestin) are given to postmenopausal women.
44. A bloody and prolonged operation in which American marines landed and defeated Japanese defenders (February and March 1945).
45. A white soft metallic element that tarnishes readily.
47. The square of a body of any size of type.
51. Low stingless nettle of Central and South America having velvety brownish-green toothed leaves and clusters of small green flowers.
54. A genus of tropical American plants have sword-shaped leaves and a fleshy compound fruits composed of the fruits of several flowers (such as pineapples).
55. Jordan's port.
56. (Norse mythology) Ruler of the Aesir.
59. The basic unit of money in Thailand.
61. (law) A comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy.
64. A metric unit of length equal to one ten billionth of a meter (or 0.0001 micron).
69. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
73. The cry made by sheep.
74. An event that repeats.
77. The basic unit of money in Nigeria.
78. A container.
79. Extinct order of jawless vertebrates.
81. A close friend who accompanies his buddies in their activities.
82. Late time of life.
83. A great raja.
84. A defensive missile designed to shoot down incoming intercontinental ballistic missiles.

1. Title for a civil or military leader (especially in Turkey).
2. Someone who works (or provides workers) during a strike.
3. The act of slowing down or falling behind.
4. Cud-chewing mammal used as a draft or saddle animal in desert regions.
5. Leaf or strip from a leaf of the talipot palm used in India for writing paper.
6. City in central Iran.
7. Having a top of a specified character.
8. Wading birds of warm regions having long slender down-curved bills.
9. Having nine units or components.
10. A humorous anecdote or remark.
11. A republic in southeastern Europe.
12. City in Sudan.
13. (Irish) Mother of the Tuatha De Danann.
14. United States inventor who manufactured the first elevator with a safety device (1811-1861).
22. United States composer (born in Austria) who collaborated with Lerner on several musicals (1901-1987).
24. Date used in reckoning dates before the supposed year Christ was born.
27. A very poisonous metallic element that has three allotropic forms.
29. A member of a widespread group of Amerindians living in northeastern South America.
31. (Islam) The man who leads prayers in a mosque.
32. A state of social isolation.
33. Dislike intensely.
35. (possibly Roman) Goddess of horses and mules and asses.
36. A board game in which players try to move their pieces into their opponent's bases.
39. A republic in West Africa on the Gulf of Guinea.
42. No longer having or seeming to have or expecting to have life.
46. The branch of computer science that deal with writing computer programs that can solve problems creatively.
48. The syllable naming the fourth (subdominant) note of the diatonic scale in solmization.
49. An associate degree in nursing.
50. An esoteric or occult matter that is traditionally secret.
52. The elementary stages of any subject (usually plural).
53. A member of a North American Indian people living around the mouth of the Colorado river.
57. Being nine more than ninety.
58. A silvery soft waxy metallic element of the alkali metal group.
60. A particular environment or walk of life.
62. A monarchy in northwestern Europe occupying most of the British Isles.
63. The capital and largest city of Yemen.
65. Horny plate covering and protecting part of the dorsal surface of the digits.
66. Port city in northwestern Belgium and industrial center.
67. A conveyance that transports passengers or freight in carriers suspended from cables and supported by a series of towers.
68. Flat tableland with steep edges.
70. Type genus of the Pipidae.
71. An Arabic speaking person who lives in Arabia or North Africa.
72. Not agitated.
75. The month following March and preceding May.
76. Brief episode in which the brain gets insufficient blood supply.
80. A person who announces and plays popular recorded music.