1. Of or relating to or characteristic of Thailand of its people.
4. A South American shrub whose leaves are chewed by natives of the Andes.
8. An emotional response that has been acquired by conditioning.
11. A condition (mostly in boys) characterized by behavioral and learning disorders.
12. South American armadillo with three bands of bony plates.
13. A rapid bustling commotion.
14. A master's degree in library science.
16. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
17. A lipoprotein that transports cholesterol in the blood.
18. A medicinal drug used to evoke vomiting (especially in cases of drug overdose or poisoning).
21. A white soft metallic element that tarnishes readily.
22. A radioactive element of the actinide series.
23. A light touch or stroke.
26. A fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate.
27. A United Nations agency created to assist developing nations by loans guaranteed by member governments.
28. A Tibetan or Mongolian priest of Lamaism.
34. A port in western Israel on the Mediterranean.
38. A colorless and odorless inert gas.
39. A city in southern Turkey on the Seyhan River.
42. A unit of length of thread or yarn.
43. (Norse mythology) One of the Aesir and avenger of Balder.
45. Light informal conversation for social occasions.
46. A shape that sags.
47. Norwegian mathematician (1802-1829).
48. A loose sleeveless outer garment made from aba cloth.
49. A sweetened beverage of diluted fruit juice.

1. Of or relating to a speaker of the Tamil language or the language itself.
2. (Babylonian) A demigod or first man.
3. Not in action or at work.
4. A white metallic element that burns with a brilliant light.
5. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
6. A tight-fitting headdress.
7. A constellation in the southern hemisphere near Telescopium and Norma.
8. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
9. Tropical starchy tuberous root.
10. Rotary motion of an object around its own axis.
15. A burn cause by hot liquid or steam.
19. (informal) Of the highest quality.
20. A Chadic language spoken south of Lake Chad.
24. German musician who developed a system for teaching music to children (1895-1982).
25. A flat wing-shaped process or winglike part of an organism.
29. The blood group whose red cells carry both the A and B antigens.
30. Someone who is morally reprehensible.
31. Strong lightweight wood of the balsa tree used especially for floats.
32. (Greek mythology) One of the mountain nymphs.
33. A condensed but memorable saying embodying some important fact of experience that is taken as true by many people.
35. An Arabic speaking person who lives in Arabia or North Africa.
36. Fail to do something.
37. A small cake leavened with yeast.
40. Title for a civil or military leader (especially in Turkey).
41. Tag the base runner to get him out.
44. A chronic inflammatory collagen disease affecting connective tissue (skin or joints).