1. A medicine which prevents infection by killing germs: Antiseptic
2. One who does something not professionally but for pleasure: Amateur
3. A statement open to more than one interpretation: Ambiguous
4. One who makes an official examination of accounts: Auditor
5. Marrying more than one wife or more than one husband at a time: Polygamy
6. The science that studies plants: Botany
7. The science which studies natural processes of living things: Biology
8. People working together in the same office or department: Colleagues
9. The state of remaining unmarried: Celibacy
10. The action of bringing into completion: Consummation
11. To give one's authority to another: Delegate
12. Study of the relation of living things to environment: Ecology
13. The action of looking within or into one's own mind: Introspection
14. One incapable of being tired: Indefatigable
15. A letter, poem, etc. whose author is unknown: Anonymous
16. Work for which no salary is paid: Honorary
17. One who looks at the bright side of things: Optimist
18. One who cannot read or write: Illiterate
19. Holding established opinions: Orthodox
20. Hater of women: Misogynist
21. The study of the origin and physical and cultural development of mankind: Anthropology
22. The science which studies the crust of the earth: Geology
23. The science which studies animals: Zoology
24. Happening at one and the same time: Simultaneous
25. The first speech delivered by a person: Maiden
26. The art practiced by statesmen and ambassadors: Diplomacy
27. One who walks on foot: Pedestrian
28. One who lives on others: Parasite
29. One who speaks for others: Spokesperson
30. One who spends very little: Miser
31. One who possesses several talents or gifts: Versatile
32. One who eats vegetables only: Vegetarian
33. A thing that is fit to be eaten: Edible
34. A statement that is absolutely clear: Explicit; Categorical
35. A widespread disease affecting many people at the same time: Epidemic
36. A trade that is prohibited by law: Illicit
37. A desire that cannot be repressed: Irrepressible
38. A method that cannot be imitated: Inimitable
39. A story that can hardly be believed: Incredible
40. A comparison that is out of place: Inapt
41. That which cannot be satisfied: Insatiable
42. A remedy which never fails: Infallible
43. A thing that cannot be seen with human eyes: Invisible
44. One who is very easily made angry: Irritable
45. An ordinary and common place remark: Platitude
46. A sum paid to a man for a piece of work: Remuneration
47. The act of violating the sanctity or destroying the property of a sacred place: Sacrilege
48. To make up one's mind and change it quickly: Vacillate
49. A person with a long experience of any occupation: Veteran
50. A place where clothes are kept: Wardrobe
51. A state of complete continence on the part of a woman: Virginity
52. A man who has too much enthusiasm for his own religion and hates other religions: Fanatic
53. One who makes calculations connected with insurance: Actuary
54. A country, etc. which is very distant: Remote
55. To send out of one's native country: Exile
56. A person chosen by parties who have a controversy to settle their differences: Mediator
57. Notice of death, especially in a newspaper: Obituary
58. Opinion contrary to accepted doctrines: Heresy
59. Great clapping and cheering: Applause
60. Exclusive possession of the trade in some commodity: Monopoly