1. (prefix) Opposite or opposing or neutralizing.
4. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
8. The compass point that is one point south of due east.
11. The longer of the two telegraphic signals used in Morse code.
12. A Chadic language spoken south of Lake Chad.
13. Resinlike substance secreted by certain lac insects.
14. A sweetened beverage of diluted fruit juice.
15. A metric unit of volume or capacity equal to 10 liters.
16. Type genus of the family Myacidae.
17. Spiritual leader of a Jewish congregation.
19. A small digital computer based on a microprocessor and designed to be used by one person at a time.
20. The blood group whose red cells carry both the A and B antigens.
21. (Akkadian) God of wisdom.
25. A public promotion of some product or service.
27. (Old Testament) The second patriarch.
29. One of the five major classes of immunoglobulins.
30. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
33. A Russian river.
36. Obvious and dull.
39. (Babylonian) God of storms and wind.
40. A particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography).
44. An informal term for a father.
45. (Scotland) A small loaf or roll of soft bread.
48. A loose sleeveless outer garment made from aba cloth.
49. Any of various strong liquors distilled from the fermented sap of toddy palms or from fermented molasses.
50. A plant hormone promoting elongation of stems and roots.

1. The sixth month of the civil year.
2. A quantity of no importance.
3. 100 thebe equal 1 pula.
4. A Russian river.
5. A number of sheets of paper fastened together along one edge.
6. The 7th letter of the Greek alphabet.
7. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
8. Any of various trees of the genus Ulmus.
9. Common Indian weaverbird.
10. Someone who works (or provides workers) during a strike.
18. The Tibeto-Burman language spoken in the Dali region of Yunnan.
22. A white metallic element that burns with a brilliant light.
23. A metrical unit with unstressed-stressed syllables.
24. Punished by the imposition of a penalty.
26. An official prosecutor for a judicial district.
28. Fastener consisting of a resinous composition that is plastic when warm.
31. A flat wing-shaped process or winglike part of an organism.
32. The cry made by sheep.
34. Greek mythology.
35. A city in southern Turkey on the Seyhan River.
37. An Arabic speaking person who lives in Arabia or North Africa.
38. Type genus of the Nepidae.
41. A room or establishment where alcoholic drinks are served over a counter.
42. Title for a civil or military leader (especially in Turkey).
43. East Indian tree bearing a profusion of intense vermilion velvet-textured blooms and yielding a yellow dye.
46. A rare silvery (usually trivalent) metallic element.
47. A heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically).