| No. | Item | Definition |
|---|---|---|
| 1. | bleaker | more grim and threatening |
| 2. | creep-inducing | causing stronger unease or fear |
| 3. | creepier | more disturbing in a strange way |
| 4. | direful | full of dread or fear |
| 5. | eerier | stranger and more frightening |
| 6. | freakier | stranger and more alarming |
| 7. | frightening | causing fear or alarm |
| 8. | grimmer | more bleak and frightening |
| 9. | more alarming | causing greater worry or fear |
| 10. | more apocalyptic | more suggesting catastrophic destruction |
| 11. | more baleful | more threatening harm or evil |
| 12. | more bloodcurdling | more intensely terrifying |
| 13. | more brutal | more harshly violent and frightening |
| 14. | more chilling | more emotionally cold and frightening |
| 15. | more creepy | more unpleasantly spooky |
| 16. | more daunting | more intimidating or discouraging |
| 17. | more deathly | more suggestive of death |
| 18. | more demonic | more evil-seeming and frightening |
| 19. | more devilish | more wickedly frightening |
| 20. | more diabolical | more devilishly evil or frightening |
| 21. | more dicey | more risky or unsettling |
| 22. | more dire | more serious and frightening |
| 23. | more disquieting | more causing unease or anxiety |
| 24. | more disturbing | more upsetting or troubling |
| 25. | more doom-laden | more full of impending doom |
| 26. | more dreadful | more terrible or fear-inducing |
| 27. | more eerie | more strange and frightening |
| 28. | more eldritch | more weirdly sinister or uncanny |
| 29. | more evil-looking | more appearing wicked or sinister |
| 30. | more fear-inducing | more likely to create fear |
| 31. | more fearsome | more likely to inspire fear |
| 32. | more ferocious | more violently fierce |
| 33. | more fiendish | more cruelly frightening |
| 34. | more fierce | more aggressively threatening |
| 35. | more forbidding | more unfriendly and threatening |
| 36. | more formidable | more inspiring fear or respect |
| 37. | more ghastly | more shockingly unpleasant or frightening |
| 38. | more ghostly | more like a frightening ghost |
| 39. | more ghoulish | more morbidly frightening |
| 40. | more grim | more bleak and alarming |
| 41. | more grisly | more gruesomely horrifying |
| 42. | more gruesome | more horrifyingly graphic or grisly |
| 43. | more hair-raising | more excitingly frightening |
| 44. | more harrowing | more acutely distressing and frightening |
| 45. | more haunting | more persistently eerie |
| 46. | more hellish | more extremely dreadful |
| 47. | more horrific | more extremely frightening |
| 48. | more horrifying | more shockingly frightening |
| 49. | more hostile-looking | more appearing unfriendly and threatening |
| 50. | more infernal | more hellishly frightening |
| 51. | more intimidating | more fearsome or daunting |
| 52. | more macabre | more grimly associated with death |
| 53. | more menacing | more threatening or sinister |
| 54. | more monstrous | more horrifyingly cruel or ugly |
| 55. | more morbid | more disturbingly focused on death |
| 56. | more nightmarish | more like a frightening nightmare |
| 57. | more ominous | more threatening or foreboding |
| 58. | more oppressive | more distressingly heavy or threatening |
| 59. | more otherworldly | more eerily beyond normal |
| 60. | more panic-inducing | more likely to trigger panic |
| 61. | more perilous | more full of danger |
| 62. | more petrifying | more likely to paralyze with fear |
| 63. | more phantomlike | more eerily ghostlike |
| 64. | more precarious | more dangerously uncertain |
| 65. | more savage | more violently threatening |
| 66. | more scary | more likely to frighten |
| 67. | more sepulchral | more gloomily tomb-like |
| 68. | more shadowy | more dark and threatening |
| 69. | more sinister | more suggestive of evil |
| 70. | more spectral | more ghostlike and eerie |
| 71. | more spooky | more ghostly or eerie |
| 72. | more startling | more causing sudden alarm |
| 73. | more terrible | more extremely bad or frightening |
| 74. | more terrifying | causing greater extreme fear |
| 75. | more terrorizing | more causing terror |
| 76. | more threatening | more likely to cause harm |
| 77. | more touch-and-go | more uncertain and dangerous |
| 78. | more treacherous | more dangerously deceptive or unstable |
| 79. | more uncanny | more strangely unsettling |
| 80. | more unearthly | more strangely otherworldly |
| 81. | more unnerving | more disturbing or unsettling |
| 82. | more unsettling | more making one feel uneasy |
| 83. | more vicious | more cruelly threatening |
| 84. | scarifying | frightening or alarming |
| 85. | spine-chilling | causing intense fear |
| 86. | spine-crawling | causing fearful disgust |
| 87. | spookier | more eerie or unsettling |
| 88. | uncannier | stranger in a frightening way |
| 89. | underworldly | suggesting a sinister underworld |
| 90. | unholy | evil or frighteningly profane |
| 91. | unnerving | causing nervous fear |
| 92. | unsafe | likely to cause harm |
| 93. | unspeakable | too awful to describe |
| 94. | unstable | dangerously unpredictable |
| 95. | untamed | wild and potentially threatening |
| 96. | vile | extremely unpleasant or evil |
| 97. | villainous | wickedly threatening or evil |
| 98. | vulturine | like a menacing vulture |
| 99. | wickeder | more evil and frightening |
| 100. | wilder | more uncontrolled and threatening |