| No. | Item | Definition |
|---|---|---|
| 1. | abandoned | left empty and unsafe |
| 2. | airless | lacking enough fresh air |
| 3. | anarchic | without order or control |
| 4. | apocalyptic | suggesting total destruction |
| 5. | arid | extremely dry and harsh |
| 6. | avalanche-prone | likely to have avalanches |
| 7. | barren | empty and hard to survive |
| 8. | blistering | intensely hot and punishing |
| 9. | booby-trapped | set with hidden traps |
| 10. | broken-down | worn out and unsafe |
| 11. | brutal | severely harsh or violent |
| 12. | catastrophic | involving great destruction |
| 13. | chaotic | disordered and dangerous |
| 14. | collapsed | fallen in and unsafe |
| 15. | congested | crowded and hard to move |
| 16. | contaminated | polluted and unsafe |
| 17. | crime-ridden | full of frequent crime |
| 18. | crumbling | falling apart dangerously |
| 19. | dangerous | likely to cause harm |
| 20. | deadly | able to cause death |
| 21. | derelict | abandoned and unsafe |
| 22. | desolate | empty and potentially unsafe |
| 23. | dicey | risky or uncertain |
| 24. | dilapidated | badly damaged and unsafe |
| 25. | dire | extremely serious and dangerous |
| 26. | dodgy | possibly dishonest or dangerous |
| 27. | explosive | likely to explode |
| 28. | fearsome | causing fear because dangerous |
| 29. | fetid | foul-smelling and unhealthy |
| 30. | filthy | extremely dirty and unsafe |
| 31. | fire-prone | likely to catch fire |
| 32. | flammable | easy to catch fire |
| 33. | flood-prone | likely to flood |
| 34. | forbidding | unwelcoming and threatening |
| 35. | freezing | extremely cold and dangerous |
| 36. | grim | bleak and threatening |
| 37. | hairy | dangerous in an exciting way |
| 38. | harmful | causing damage or injury |
| 39. | harsh | severe and difficult to survive |
| 40. | hazardous | full of possible harm |
| 41. | hellish | extremely harsh and dangerous |
| 42. | hostile | dangerously unfriendly or aggressive |
| 43. | icy | covered with dangerous ice |
| 44. | inaccessible | hard to reach or escape |
| 45. | inhospitable | hard to live in safely |
| 46. | injurious | causing injury or harm |
| 47. | isolated | far from help or safety |
| 48. | jagged | sharp and uneven |
| 49. | killer | extremely dangerous or deadly |
| 50. | lawless | without effective legal control |
| 51. | lethal | capable of killing |
| 52. | menacing | seeming likely to cause harm |
| 53. | mine-ridden | containing many land mines |
| 54. | mosquito-ridden | full of mosquitoes |
| 55. | murderous | likely to kill |
| 56. | murky | dark and hard to see |
| 57. | nightmarish | like a terrifying nightmare |
| 58. | no-go | too dangerous to enter |
| 59. | noxious | harmful or poisonous |
| 60. | ominous | suggesting something bad ahead |
| 61. | overgrown | thickly covered and hard through |
| 62. | perilous | very risky or threatening |
| 63. | precarious | dangerously unstable or uncertain |
| 64. | predator-filled | full of dangerous animals |
| 65. | quake-prone | likely to have earthquakes |
| 66. | radioactive | emitting harmful radiation |
| 67. | ramshackle | poorly built and unsafe |
| 68. | rat-infested | full of rats |
| 69. | remote | far from assistance |
| 70. | risky | involving a strong chance of harm |
| 71. | rocky | full of dangerous rocks |
| 72. | rough | dangerous because of violence |
| 73. | rugged | harsh and hard to cross |
| 74. | seedy | run-down and unsafe |
| 75. | shady | seeming unsafe or criminal |
| 76. | shark-infested | full of sharks |
| 77. | sinister | suggesting evil or danger |
| 78. | sketchy | seeming suspicious or unsafe |
| 79. | snake-infested | full of dangerous snakes |
| 80. | squalid | filthy and miserable |
| 81. | storm-battered | often hit by severe storms |
| 82. | thorn-choked | thick with painful thorns |
| 83. | thorny | full of sharp hazards |
| 84. | threatening | suggesting serious danger |
| 85. | touch-and-go | dangerously uncertain |
| 86. | toxic | poisonous or harmful |
| 87. | treacherous | deceptively dangerous or unstable |
| 88. | tsunami-prone | likely to have tsunamis |
| 89. | unguarded | without protection or watch |
| 90. | unpoliced | lacking police presence |
| 91. | unprotected | not shielded from harm |
| 92. | unsafe | not safe to be in |
| 93. | unsanitary | dirty and likely unhealthy |
| 94. | unsecured | not made safe |
| 95. | unstable | likely to collapse or erupt |
| 96. | violent | marked by physical aggression |
| 97. | volatile | likely to become violent suddenly |
| 98. | war-torn | damaged by war |
| 99. | wild | untamed and potentially dangerous |
| 100. | wind-lashed | struck by strong winds |