1. Someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential).
4. A state in the western United States.
8. A sudden abrupt pull.
11. Towards the side away from the wind.
12. Port city that is the capital and largest city of Latvia.
13. Gone by.
14. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
15. An accidental hole that allows something (fluid or light etc.) to enter or escape.
16. A white linen liturgical vestment with sleeves.
17. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
19. The principal evil jinni in Islamic mythology.
21. An associate degree in applied science.
24. A condition (mostly in boys) characterized by behavioral and learning disorders.
25. The corporate executive responsible for the operations of the firm.
32. Food mixtures either arranged on a plate or tossed and served with a moist dressing.
36. A Loloish language.
37. A gradual decline (in size or strength or power or number).
41. A silvery soft waxy metallic element of the alkali metal group.
42. A white soft metallic element that tarnishes readily.
44. A city in western Germany near the Dutch and Belgian borders.
47. A loose sleeveless outer garment made from aba cloth.
49. A workplace for the conduct of scientific research.
51. The villain in William Shakespeare's tragedy who tricked Othello into murdering his wife.
52. A river in north central Switzerland that runs northeast into the Rhine.
53. (Irish) Mother of the ancient Irish gods.
54. Largest known toad species.
55. A soft silvery metallic element of the alkali metal group.

1. (prefix) Indicating difference or variation.
2. Gather, as of as crops.
3. Cut the head of.
4. The address of a web page on the world wide web.
5. Bound or secured closely.
6. Title for a civil or military leader (especially in Turkey).
7. Australian shrubs and small trees with evergreen usually spiny leaves and dense clusters of showy flowers.
8. An official language of the Republic of South Africa.
9. Large sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin.
10. A large number or amount.
18. A white metallic element that burns with a brilliant light.
20. A soft silvery metallic element of the alkali earth group.
22. Any of a number of fishes of the family Carangidae.
23. Wild and domestic cattle.
26. (Akkadian) God of wisdom.
27. The syllable naming the fourth (subdominant) note of the diatonic scale in solmization.
28. A soft yellow malleable ductile (trivalent and univalent) metallic element.
29. A small pellet fired from an air rifle or BB gun.
30. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
31. An official prosecutor for a judicial district.
33. Jordan's port.
34. A gonadotropic hormone that is secreted by the anterior pituitary.
35. A master's degree in business.
38. A small cake leavened with yeast.
39. A city in southeastern South Korea.
40. Small buffalo of the Celebes having small straight horns.
43. A flat wing-shaped process or winglike part of an organism.
45. An independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest.
46. An ugly evil-looking old woman.
47. Being one more than fifty.
48. A colorless and odorless inert gas.
50. An associate degree in nursing.