| No. | Item | Definition |
|---|---|---|
| 1. | aggressive | ready to attack or confront |
| 2. | alarming | causing worry or fear |
| 3. | armed | carrying weapons; threatening |
| 4. | baleful | threatening harm or evil |
| 5. | baneful | causing harm or ruin |
| 6. | belligerent | hostile and eager to fight |
| 7. | black | darkly threatening |
| 8. | bloodthirsty | eager for violence or killing |
| 9. | brooding | darkly threatening or moody |
| 10. | bullying | using force to intimidate |
| 11. | charged | full of tension or threat |
| 12. | cold-eyed | showing harsh threat or cruelty |
| 13. | combative | ready to fight or argue |
| 14. | confrontational | aggressively challenging |
| 15. | creepy | strangely frightening |
| 16. | cutthroat | ruthlessly aggressive |
| 17. | dangerous | likely to cause harm |
| 18. | darkening | becoming more threatening |
| 19. | deadly | able to cause death |
| 20. | dire | seriously threatening |
| 21. | disquieting | causing unease or alarm |
| 22. | disturbing | causing worry or fear |
| 23. | domineering | controlling in a threatening way |
| 24. | doom-laden | heavy with coming danger |
| 25. | eerie | strangely frightening and unsettling |
| 26. | evil-looking | appearing wicked or threatening |
| 27. | explosive | likely to erupt violently |
| 28. | fearsome | inspiring fear |
| 29. | ferocious | fierce and threatening |
| 30. | fierce | aggressively strong or threatening |
| 31. | forbidding | unfriendly and threatening |
| 32. | foreboding | creating a feeling of coming danger |
| 33. | formidable | inspiring fear or respect |
| 34. | fraught | filled with tension or danger |
| 35. | frightening | causing fear |
| 36. | gloomy | darkly threatening in mood |
| 37. | glowering | showing anger in a threatening way |
| 38. | grim | stern and threatening |
| 39. | hard-eyed | looking cold and threatening |
| 40. | hard-faced | looking severe and threatening |
| 41. | hazardous | involving risk or danger |
| 42. | heavy | oppressively tense or threatening |
| 43. | homicidal | inclined to kill |
| 44. | hostile | showing aggression or ill will |
| 45. | icy | cold and threatening |
| 46. | ill-omened | suggesting bad things ahead |
| 47. | incendiary | likely to provoke violence |
| 48. | inflammatory | stirring anger or violence |
| 49. | inhuman | cruel beyond normal feeling |
| 50. | intimidating | causing fear or nervousness |
| 51. | lethal | capable of causing death |
| 52. | loaded | armed and dangerous |
| 53. | malevolent | wishing to do harm |
| 54. | malign | harmful or evil |
| 55. | menace-filled | full of threat |
| 56. | menace-laden | packed with threat |
| 57. | militant | aggressively forceful |
| 58. | monstrous | shockingly cruel or threatening |
| 59. | murderous | wanting to kill |
| 60. | murky | dark and vaguely threatening |
| 61. | nasty | mean and threatening |
| 62. | nightmarish | frightening like a nightmare |
| 63. | noxious | harmful or dangerous |
| 64. | ominous | seeming likely to bring trouble |
| 65. | oppressive | weighing down in a threatening way |
| 66. | overbearing | domineering and intimidating |
| 67. | perilous | full of danger |
| 68. | poisonous | harmful and threatening |
| 69. | portentous | significant and threatening |
| 70. | predatory | seeking to exploit or attack |
| 71. | provocative | likely to trigger hostility |
| 72. | pugnacious | eager to fight |
| 73. | risky | involving possible harm |
| 74. | rough | harsh and potentially violent |
| 75. | ruthless | showing no compassion |
| 76. | scary | causing fear or alarm |
| 77. | scowling | wearing an angry threatening look |
| 78. | shadowy | dark and threatening |
| 79. | sinister | suggesting evil or harm |
| 80. | snarling | showing angry threat |
| 81. | stern | serious and intimidating |
| 82. | stormy | turbulent and threatening |
| 83. | sullen | darkly angry and threatening |
| 84. | tense | showing strain or threat |
| 85. | terrifying | causing extreme fear |
| 86. | terrorizing | causing intense fear |
| 87. | threat-laden | full of implied threats |
| 88. | threatening | suggesting harm or danger |
| 89. | trigger-happy | too ready to use violence |
| 90. | troubling | causing concern or fear |
| 91. | ugly | threatening trouble or violence |
| 92. | unnerving | making someone uneasy or afraid |
| 93. | unsettling | making people feel uneasy |
| 94. | unyielding | not softening or relenting |
| 95. | venomous | full of malice or threat |
| 96. | vicious | deliberately cruel or violent |
| 97. | villainous | suggesting evil intent |
| 98. | violent | using or likely to use force |
| 99. | volatile | likely to become violent |
| 100. | warlike | inclined toward fighting |