| No. | Item | Definition |
|---|---|---|
| 1. | accident-prone | likely to have accidents |
| 2. | adventurous | willing to try dangerous things |
| 3. | audacious | boldly willing to take risks |
| 4. | bold | showing willingness to face danger |
| 5. | bootleg | made or sold illegally |
| 6. | brash | overconfident and rash |
| 7. | capricious | changing suddenly and unpredictably |
| 8. | chancy | depending on uncertain luck |
| 9. | combustible | able to catch fire easily |
| 10. | contagious | spreadable from person to person |
| 11. | contraband | illegal to possess or trade |
| 12. | costly | likely to cause loss |
| 13. | criminal | involving crime or illegality |
| 14. | critical | dangerously important or unstable |
| 15. | damaging | causing harm or loss |
| 16. | dangerous | likely to cause harm |
| 17. | deadly | able to cause death |
| 18. | delicate | requiring great care |
| 19. | destructive | causing great damage |
| 20. | dicey | somewhat dangerous or uncertain |
| 21. | do-or-die | requiring extreme effort or stakes |
| 22. | dodgy | possibly unsafe or unreliable |
| 23. | dubious | not reliable or safe |
| 24. | enterprising | willing to take bold chances |
| 25. | erratic | not regular or dependable |
| 26. | explosive | likely to burst violently |
| 27. | exposed | left unprotected from danger |
| 28. | failure-prone | likely to fail |
| 29. | fatal | causing death |
| 30. | fitful | irregular and uncertain |
| 31. | flammable | easily set on fire |
| 32. | foolhardy | rashly ignoring obvious danger |
| 33. | forbidden | not allowed or permitted |
| 34. | fraught | filled with danger or trouble |
| 35. | gambling | taking chances for gain |
| 36. | gamy | boldly adventurous or risky |
| 37. | hair-raising | causing fear because dangerous |
| 38. | harmful | causing damage or injury |
| 39. | hazard-prone | likely to involve hazards |
| 40. | hazardous | involving danger or harm |
| 41. | headlong | done with reckless speed |
| 42. | heedless | ignoring possible danger |
| 43. | high-risk | involving a strong chance of harm |
| 44. | high-stakes | involving serious possible loss |
| 45. | iffy | uncertain and possibly unsafe |
| 46. | ill-advised | not wise under the circumstances |
| 47. | illicit | forbidden by law or rules |
| 48. | imprudent | not showing careful judgment |
| 49. | inadvisable | not recommended because unsafe |
| 50. | incautious | not careful enough |
| 51. | infectious | able to spread disease |
| 52. | injurious | causing harm or damage |
| 53. | knife-edge | balanced dangerously between outcomes |
| 54. | lawless | not controlled by law |
| 55. | lethal | capable of causing death |
| 56. | life-threatening | likely to cause death |
| 57. | long-shot | unlikely to succeed |
| 58. | make-or-break | having crucial possible consequences |
| 59. | mortal | causing death or fatal harm |
| 60. | murky | unclear and suspicious |
| 61. | nerve-racking | causing intense anxious tension |
| 62. | off-limits | not allowed to enter or use |
| 63. | on thin ice | in a dangerous position |
| 64. | perilous | full of serious danger |
| 65. | playing with fire | taking obvious dangerous chances |
| 66. | poisonous | capable of causing poisoning |
| 67. | precarious | dangerously unstable or uncertain |
| 68. | precipitate | done too suddenly or rashly |
| 69. | problematic | likely to cause trouble |
| 70. | questionable | doubtful or possibly unsafe |
| 71. | radioactive | highly controversial or dangerous |
| 72. | rash | acting without enough caution |
| 73. | reckless | carelessly taking serious risks |
| 74. | rocky | unstable and difficult |
| 75. | ruinous | likely to cause ruin |
| 76. | shaky | weak, unstable, or uncertain |
| 77. | slippery | hard to handle safely |
| 78. | smuggled | brought in illegally |
| 79. | speculative | based on uncertain outcomes |
| 80. | stormy | full of trouble or danger |
| 81. | suspect | not trustworthy or safe |
| 82. | temerarious | recklessly bold |
| 83. | ticklish | difficult and potentially troublesome |
| 84. | touch-and-go | very uncertain or dangerous |
| 85. | toxic | poisonous or harmful |
| 86. | treacherous | dangerous in a deceptive way |
| 87. | tricky | difficult and potentially problematic |
| 88. | uncalculated | not carefully planned or weighed |
| 89. | uncertain | not reliably safe or sure |
| 90. | unpredictable | not able to be predicted |
| 91. | unsafe | not safe to do |
| 92. | unsound | not safe or reliable |
| 93. | unstable | not steady or secure |
| 94. | unsure | not certain or reliable |
| 95. | unwise | showing poor judgment |
| 96. | venturesome | willing to take dangerous chances |
| 97. | volatile | likely to change dangerously fast |
| 98. | vulnerable | open to harm or attack |
| 99. | wild | lacking control or caution |
| 100. | wobbly | unsteady and likely to fail |