1. Type genus of the Alcidae comprising solely the razorbill.
5. Having undesirable or negative qualities.
8. How long something has existed.
11. A soft heavy toxic malleable metallic element.
12. A loose sleeveless outer garment made from aba cloth.
13. (informal) Roused to anger.
14. A region of Malaysia in northeastern Borneo.
15. The United Nations agency concerned with atomic energy.
16. (informal) Being satisfactory or in satisfactory condition.
17. The federal agency that insures residential mortgages.
19. Thigh of a hog (usually smoked).
22. Title for a civil or military leader (especially in Turkey).
24. Having the leading position or higher score in a contest.
27. The capital of Croatia.
29. A small ball with a hole through the middle.
31. A column of light (as from a beacon).
32. The syllable naming the fourth (subdominant) note of the diatonic scale in solmization.
33. The food served and eaten at one time.
36. A small pellet fired from an air rifle or BB gun.
38. Two items of the same kind.
41. A white metallic element that burns with a brilliant light.
42. The act of slowing down or falling behind.
44. A loose material consisting of grains of rock or coral.
47. The elementary stages of any subject (usually plural).
48. Any of a number of fishes of the family Carangidae.
49. The 22nd letter of the Greek alphabet.
50. The cry made by sheep.
51. Type genus of the Ranidae.
52. A state of southwestern India.

1. In addition.
2. An accidental hole that allows something (fluid or light etc.) to enter or escape.
3. A compartment in front of a motor vehicle where driver sits.
4. (Old Testament) In Judeo-Christian mythology.
5. A soft silvery metallic element of the alkali earth group.
6. A member of the Circassian people living east of the Black Sea.
7. An official prosecutor for a judicial district.
8. A woman hired to suckle a child of someone else.
9. (Greek mythology) Goddess of the earth and mother of Cronus and the Titans in ancient mythology.
10. Mild yellow Dutch cheese made in balls.
18. Any culture medium that uses agar as the gelling agent.
20. Lacking or deprive of the sense of hearing wholly or in part.
21. A ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group.
23. Small terrestrial lizard of warm regions of the Old World.
25. A very light colorless element that is one of the six inert gasses.
26. (Babylonian) God of storms and wind.
28. The seed of the cereal grass.
30. A waste pipe that carries away sewage or surface water.
34. A town and port in northwestern Israel in the eastern Mediterranean.
35. (folklore) A corpse that rises at night to drink the blood of the living.
37. A small cake leavened with yeast.
38. The blood group whose red cells carry both the A and B antigens.
39. A former communist country in eastern Europe and northern Asia.
40. Tropical starchy tuberous root.
43. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
44. Before noon.
45. (British) Your grandmother.
46. A graphical recording of the cardiac cycle produced by an electrocardiograph.
47. (Akkadian) God of wisdom.