1. Lacking in liveliness or charm or surprise.
5. A Russian river.
7. An amino acid that is found in the central nervous system.
11. A river in northern England that flows southeast through West Yorkshire.
12. The syllable naming the fourth (subdominant) note of the diatonic scale in solmization.
13. A small nail.
14. Fallow deer.
15. A federal agency established to regulate the release of new foods and health-related products.
17. (Irish) Mother of the ancient Irish gods.
18. The mission in San Antonio where in 1836 Mexican forces under Santa Anna besieged and massacred American rebels who were fighting to make Texas independent of Mexico.
19. A state in northwestern North America.
20. Artists or writers whose ideas are ahead of their time.
22. A flat wing-shaped process or winglike part of an organism.
23. Any of a number of fishes of the family Carangidae.
25. A small cake leavened with yeast.
27. How long something has existed.
29. A unit of dry measure used in Egypt.
31. In the Arabian Nights a hero who tells of the fantastic adventures he had in his voyages.
34. A white metallic element that burns with a brilliant light.
35. The content of cognition.
40. A unit of force equal to the force exerted by gravity.
44. (informal) Roused to anger.
45. A Loloish language.
46. The 7th letter of the Greek alphabet.
47. Thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord.
48. An official language of the Republic of South Africa.
49. A compartment in front of a motor vehicle where driver sits.

1. An informal term for a father.
2. The basic unit of money in Iran.
3. A large fleet.
4. A signal transmitted along a narrow path.
5. Not in operation or operational.
6. A member of an agricultural people of southern India.
7. A unit of magnetomotive force equal to 0.7958 ampere-turns.
8. An anti-TNF compound (trade name Arava) that is given orally.
9. Obvious and dull.
10. A city in southern Turkey on the Seyhan River.
16. Jordan's port.
21. In bed.
24. A Chadic language spoken south of Lake Chad.
26. Type genus of the family Arcidae.
28. A rare silvery (usually trivalent) metallic element.
30. An official prosecutor for a judicial district.
32. Conforming to an ultimate standard of perfection or excellence.
33. In such a manner as could not be otherwise.
36. Title for a civil or military leader (especially in Turkey).
37. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
38. A Chadic language spoken south of Lake Chad.
39. According to the Old Testament he was a pagan king of Israel and husband of Jezebel (9th century BC).
41. Tastelessness by virtue of being cheap and vulgar.
42. A Turkish unit of weight equal to about 2.75 pounds.
43. The last (12th) month of the year.