1. The bureau of the Treasury Department responsible for tax collections.
4. An alcoholic drink taken at bedtime.
12. Acute delirium caused by alcohol poisoning.
15. A branch of the Tai languages.
16. (anatomy) A notch or small hollow.
17. A groove or furrow (especially one in soft earth caused by wheels).
18. (Welsh myth) The other world.
20. The part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands.
21. Small genus of evergreen trees of tropical America and western Africa.
23. An abundance of material possessions and resources.
26. A very short time (as the time it takes to blink once).
27. Avoid or try to avoid, as of duties, questions and issues.
29. A living organism characterized by voluntary movement.
31. Freshwater fish of Central America having a long swordlike tail.
33. A Chadic language spoken south of Lake Chad.
36. An edge tool with a heavy bladed head mounted across a handle.
37. A tower with a light that gives warning of shoals to passing ships.
40. Formerly a contemptuous term of address to an inferior man or boy.
42. A light touch or stroke.
44. Stems of beans and peas and potatoes and grasses collectively as used for thatching and bedding.
45. Type genus of the Majidae.
46. Enthusiastic approval.
49. Expandable metal or wooden wedge used by printers to lock up a form within a chase.
51. The first month of the year.
52. Departing or being caused to depart from the true vertical or horizontal.
53. Make a gurgling sound as of liquid issuing from a bottle.
55. Plant with an elongated head of broad stalked leaves resembling celery.
57. An affirmative.
59. Deciduous or evergreen shrubs and shrubby trees of temperate and subtropical North America, South Africa, eastern Asia and northeastern Australia.
61. Having been read.
63. A fraudulent business scheme.
66. A compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals.
69. An officer who acts as military assistant to a more senior officer.
73. An implement used to propel or steer a boat.
77. The law enforcement agency in the Justice Department.
78. A cut of pork ribs with much of the meat trimmed off.
80. A nucleic acid consisting of large molecules shaped like a double helix.
81. Title for a civil or military leader (especially in Turkey).
82. Low stingless nettle of Central and South America having velvety brownish-green toothed leaves and clusters of small green flowers.
83. A metric unit of length equal to 10,000 meters.

1. The eighth month of the civil year.
2. (the feminine of raja) A Hindu princess or the wife of a raja.
3. Make synchronous and adjust in time or manner.
4. An ancient Assyrian city on the River Tigris across from the modern city of Mosul in the northern part of what is now known a Iraq.
5. Not out.
6. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
7. A joint that holds two parts together so that one can swing relative to the other.
8. Syndrome resulting from a serious acute (sometimes fatal) infection associated with the presence of staphylococcus.
9. A ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element.
10. A constellation in the southern hemisphere near Telescopium and Norma.
11. A member of the majority people of Punjab in northwestern India.
12. A force that moves something along.
13. Surface layer of ground containing a matt of grass and grass roots.
14. Continuing or remaining in a place or state.
19. Young of any of various canines such as a dog or wolf.
22. Remove offensive capability from.
24. (Old Testament) The wife of Abraham and mother of Isaac.
25. A condition (mostly in boys) characterized by behavioral and learning disorders.
28. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
30. A change for the better.
32. A bet that you can pick the first and second finishers in the right order.
34. A mountain peak in the Andes in Bolivia (21,391 feet high).
35. Thorny shrub or small tree common in central Argentina having small orange or yellow flowers followed by edible berries.
38. An informal word (abstracted from words with this ending) for some unidentified branch of knowledge.
39. A facial expression characterized by turning up the corners of the mouth.
41. The seventh month of the Moslem calendar.
43. A sudden minor shock or meaningless interruption.
47. Fear resulting from the awareness of danger.
48. (astronomy) A measure of time defined by Earth's orbital motion.
50. Italian violin maker and grandson of Andrea Guarneri (1687?-1745).
54. A family of Sino-Tibetan languages spoken in southeastern Asia.
56. A radioactive transuranic element which has been synthesized.
58. A white metallic element that burns with a brilliant light.
60. Any of various thermoplastic resins used to make things.
62. 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.
64. Open-heart surgery in which the rib cage is opened and a section of a blood vessel is grafted from the aorta to the coronary artery to bypass the blocked section of the coronary artery and improve the blood supply to the heart.
65. An elaborate song for solo voice.
67. God of death.
68. A distinct part that can be specified separately in a group of things that could be enumerated on a list.
70. Severe diabetes mellitus with an early onset.
71. Declare untrue.
72. Mild yellow Dutch cheese made in balls.
74. Of southern Europe.
75. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
76. A loose sleeveless outer garment made from aba cloth.
79. Being nine more than ninety.