1. Any thick messy substance.
4. According to the Old Testament he was a pagan king of Israel and husband of Jezebel (9th century BC).
8. Title for a civil or military leader (especially in Turkey).
11. An official at a baseball game.
12. Type genus of the Ranidae.
13. A coenzyme derived from the B vitamin nicotinic acid.
14. (New Testament) Disciple of Jesus.
16. Concerning those not members of the clergy.
17. A loose sleeveless outer garment made from aba cloth.
18. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
19. How long something has existed.
20. State in northeastern India.
22. Offering fun and gaiety.
25. A white metallic element that burns with a brilliant light.
28. 30 to 300 kilohertz.
29. Syncopated music in duple time for dancing the rumba.
32. The blood group whose red cells carry both the A and B antigens.
33. A flat wing-shaped process or winglike part of an organism.
37. An indehiscent fruit derived from a single ovary having one or many seeds within a fleshy wall or pericarp.
39. Any plant of the genus Erica.
41. A radioactive element of the actinide series.
42. An undergarment worn by women to support their breasts.
45. God of fire.
46. Brief episode in which the brain gets insufficient blood supply.
48. A bachelor's degree in naval science.
49. A German art song of the 19th century for voice and piano.
50. A condition (mostly in boys) characterized by behavioral and learning disorders.
51. Noisy talk.
52. Tropical starchy tuberous root.

1. A Russian prison camp for political prisoners.
2. The ending of a series or sequence.
3. An oral poliovirus vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis.
4. A colorless and odorless inert gas.
5. Exhibiting or restored to vigorous good health.
6. (Irish) Mother of the ancient Irish gods.
7. Common Indian weaverbird.
8. Squash bugs.
9. An amino acid that is found in the central nervous system.
10. (Old Testament) In Judeo-Christian mythology.
15. A plant hormone promoting elongation of stems and roots.
21. Someone who works (or provides workers) during a strike.
23. The basic unit of money in Romania.
24. An official prosecutor for a judicial district.
26. The cry made by sheep.
27. A very young child (birth to 1 year) who has not yet begun to walk or talk.
30. (British) A waterproof raincoat made of rubberized fabric.
31. Unwisely talking too much.
34. Incapable of or resistant to bending.
35. (of complexion) Blemished by imperfections of the skin.
36. The main city of ancient Phoenicia.
38. Harsh or corrosive in tone.
40. A rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders).
43. A nucleic acid that transmits genetic information from DNA to the cytoplasm.
44. Inquire about.
47. A public promotion of some product or service.