| No. | Item | Definition |
|---|---|---|
| 1. | alarming | causing fear or concern |
| 2. | arduous | requiring great effort |
| 3. | august | respected and impressive |
| 4. | authoritative | showing confident power and control |
| 5. | awe-inspiring | causing wonder and respect |
| 6. | awesome | inspiring awe or admiration |
| 7. | backbreaking | requiring exhausting physical effort |
| 8. | battle-hardened | toughened by harsh experience |
| 9. | bold | showing courage and confidence |
| 10. | brutal | harshly violent or severe |
| 11. | burly | large and strong |
| 12. | challenging | difficult in an interesting way |
| 13. | colossal | extremely large or powerful |
| 14. | commanding | demanding attention and respect |
| 15. | crack | excellent and highly skilled |
| 16. | dangerous | likely to cause harm |
| 17. | daunting | intimidating because of difficulty or size |
| 18. | demanding | requiring much skill or effort |
| 19. | dignified | showing calm seriousness and worth |
| 20. | dire | extremely serious or urgent |
| 21. | dominant | most powerful or influential |
| 22. | enormous | very large in size |
| 23. | epic | grand and impressive in scale |
| 24. | exacting | demanding great care or effort |
| 25. | exceptional | unusually excellent or strong |
| 26. | extraordinary | very unusual and impressive |
| 27. | fearsome | causing great fear or dread |
| 28. | ferocious | savagely fierce or intense |
| 29. | fierce | aggressively strong or intense |
| 30. | forbidding | unfriendly and intimidating |
| 31. | forceful | strong and assertive in effect |
| 32. | frightening | causing fear |
| 33. | gigantic | extremely large |
| 34. | grand | impressive in size or style |
| 35. | grave | serious and solemn |
| 36. | grim | stern and forbidding |
| 37. | gruelling | extremely tiring and demanding |
| 38. | hard | difficult to deal with |
| 39. | hardened | made tough by experience |
| 40. | hardgoing | difficult to endure or complete |
| 41. | hazardous | involving risk or danger |
| 42. | herculean | requiring great strength or effort |
| 43. | huge | extremely large |
| 44. | immense | extremely large or great |
| 45. | imposing | impressively large or powerful |
| 46. | impressive | making a strong favorable impression |
| 47. | indomitable | impossible to defeat or discourage |
| 48. | inexorable | impossible to stop or prevent |
| 49. | intimidating | causing fear or nervousness |
| 50. | invincible | too powerful to be defeated |
| 51. | majestic | having impressive beauty or dignity |
| 52. | major | important or serious |
| 53. | mammoth | very large and powerful |
| 54. | massive | very large and heavy |
| 55. | masterful | showing great skill and power |
| 56. | matchless | without equal |
| 57. | menacing | suggesting serious danger |
| 58. | mighty | very powerful or strong |
| 59. | momentous | very important and serious |
| 60. | monumental | great in importance or size |
| 61. | ominous | giving a sense of danger |
| 62. | onerous | involving heavy difficulty or duty |
| 63. | outstanding | exceptionally good or impressive |
| 64. | overpowering | too strong to resist easily |
| 65. | overwhelming | very great in effect or force |
| 66. | peerless | having no equal |
| 67. | perilous | full of danger |
| 68. | potent | having great power or effect |
| 69. | powerful | having great strength or influence |
| 70. | prodigious | remarkably great in size or power |
| 71. | punishing | severely demanding or harsh |
| 72. | redoubtable | commanding respect through strength |
| 73. | regal | royal and impressive |
| 74. | relentless | persistent and unyielding |
| 75. | resilient | able to recover quickly |
| 76. | resolute | firmly determined and unwavering |
| 77. | robust | strong and healthy |
| 78. | rugged | strong and able to endure |
| 79. | ruthless | showing no pity or mercy |
| 80. | savage | fierce and violent |
| 81. | severe | very harsh or intense |
| 82. | stalwart | loyal, reliable, and strong |
| 83. | stately | impressive and dignified |
| 84. | stern | serious and strict in manner |
| 85. | stiff | severely difficult or demanding |
| 86. | terrifying | causing extreme fear |
| 87. | threatening | suggesting danger or harm |
| 88. | Titanic | enormously powerful or large |
| 89. | tough | difficult and strong |
| 90. | towering | very great in height or degree |
| 91. | treacherous | dangerous and unpredictable |
| 92. | tremendous | very great in amount or force |
| 93. | unassailable | unable to be attacked successfully |
| 94. | unbeatable | not able to be defeated |
| 95. | unstoppable | unable to be stopped |
| 96. | unsurpassed | not exceeded by others |
| 97. | unyielding | not giving way under pressure |
| 98. | vast | very great in size |
| 99. | weighty | important and serious |
| 100. | wicked | extremely difficult or impressive |