| No. | Item | Definition |
|---|---|---|
| 1. | acute | severe and urgent |
| 2. | agitating | causing nervous excitement |
| 3. | anxiety-provoking | causing anxiety |
| 4. | appalling | deeply shocking or upsetting |
| 5. | arresting | striking and hard to ignore |
| 6. | astonishing | very surprising or shocking |
| 7. | awful | very bad or distressing |
| 8. | baleful | threatening harm or evil |
| 9. | belligerent | hostile and threatening |
| 10. | bleak | without hope; worrying |
| 11. | breathtaking | astonishing in a shocking way |
| 12. | brutal | harsh and shocking |
| 13. | calamitous | bringing disaster or misery |
| 14. | catastrophic | causing great damage or disaster |
| 15. | chaotic | full of confusion and danger |
| 16. | charged | full of tension |
| 17. | chilling | causing fear or dread |
| 18. | concerning | causing concern |
| 19. | creepy | causing uneasy fear |
| 20. | critical | dangerously serious |
| 21. | dangerous | likely to cause harm |
| 22. | deadly | likely to cause death |
| 23. | devastating | causing severe shock or damage |
| 24. | dicey | risky or uncertain |
| 25. | dire | extremely serious or urgent |
| 26. | disastrous | extremely harmful or bad |
| 27. | disconcerting | making someone feel unsettled |
| 28. | disquieting | causing anxiety or unease |
| 29. | disturbing | causing unease or concern |
| 30. | dreadful | causing great fear or worry |
| 31. | eerie | strangely frightening |
| 32. | explosive | likely to erupt violently |
| 33. | eye-opening | surprisingly revealing and unsettling |
| 34. | fear-inducing | likely to cause fear |
| 35. | fearsome | inspiring fear |
| 36. | ferocious | violently aggressive and frightening |
| 37. | fierce | violent or threatening |
| 38. | foreboding | suggesting future trouble |
| 39. | fraught | filled with worry or danger |
| 40. | frightening | causing fear or worry |
| 41. | frightful | very scary or upsetting |
| 42. | ghastly | frighteningly bad or shocking |
| 43. | gloomy | causing sadness or worry |
| 44. | grave | seriously worrying |
| 45. | grim | bleak and worrying |
| 46. | grisly | causing horror or disgust |
| 47. | hair-raising | very frightening |
| 48. | hairy | dangerous or difficult |
| 49. | harrowing | extremely distressing |
| 50. | haunting | remaining disturbingly in mind |
| 51. | hazardous | involving risk or danger |
| 52. | horrendous | extremely horrible or shocking |
| 53. | horrifying | causing horror or shock |
| 54. | imminent | about to happen soon |
| 55. | impending | about to happen |
| 56. | inflammatory | likely to provoke strong reaction |
| 57. | intimidating | making people feel afraid |
| 58. | jolting | causing sudden shock |
| 59. | looming | appearing likely very soon |
| 60. | macabre | disturbingly related to death |
| 61. | menacing | suggesting danger or threat |
| 62. | nerve-racking | causing intense anxiety |
| 63. | nightmarish | like a terrible nightmare |
| 64. | offensive | causing upset or shock |
| 65. | ominous | suggesting something bad ahead |
| 66. | panic-inducing | likely to cause panic |
| 67. | perilous | full of danger |
| 68. | portentous | signaling something serious ahead |
| 69. | precarious | dangerously unstable |
| 70. | problematic | causing difficulty or concern |
| 71. | risky | involving possible danger |
| 72. | rocky | full of difficulties or danger |
| 73. | rough | difficult and troubling |
| 74. | ruinous | causing severe harm |
| 75. | savage | fierce and frightening |
| 76. | scary | causing fear |
| 77. | serious | causing important concern |
| 78. | shocking | very upsetting or surprising |
| 79. | sickening | deeply upsetting or disgusting |
| 80. | sinister | seeming evil or harmful |
| 81. | spine-chilling | causing sudden fear |
| 82. | startling | causing surprise or alarm |
| 83. | tense | causing nervous strain |
| 84. | terrifying | causing extreme fear |
| 85. | thorny | difficult and worrying |
| 86. | threatening | suggesting danger or harm |
| 87. | touch-and-go | uncertain and risky |
| 88. | troubling | causing distress or concern |
| 89. | tumultuous | full of disorder and tension |
| 90. | turbulent | unstable and troubled |
| 91. | uncanny | strangely unsettling or eerie |
| 92. | unnerving | making someone feel uneasy |
| 93. | unsafe | not safe |
| 94. | unsettling | making people feel uneasy |
| 95. | upsetting | causing emotional distress |
| 96. | urgent | needing immediate attention |
| 97. | volatile | likely to become dangerous |
| 98. | weird | strangely unsettling |
| 99. | worrisome | causing worry |
| 100. | worrying | causing concern |