| No. | Item | Definition |
|---|---|---|
| 1. | able | having power or skill |
| 2. | abrasion-resistant | resistant to surface wear |
| 3. | adept | highly skilled and effective |
| 4. | airtight | having no weaknesses or gaps |
| 5. | all-weather | usable in all conditions |
| 6. | authoritative | reliable and commanding respect |
| 7. | battle-tested | proven under difficult conditions |
| 8. | beefy | big, thick, and strong |
| 9. | brawny | physically strong and muscular |
| 10. | bulletproof | highly resistant to failure |
| 11. | burly | large and strongly built |
| 12. | capable | able and effective |
| 13. | compelling | powerfully convincing or effective |
| 14. | competent | having adequate strength or skill |
| 15. | comprehensive | broad and complete in scope |
| 16. | convincing | persuasive and well-supported |
| 17. | credible | believable and well-supported |
| 18. | deep | strongly developed or intense |
| 19. | dependable | reliably strong or trustworthy |
| 20. | disease-resistant | able to resist disease |
| 21. | durable | lasting and hard-wearing |
| 22. | dynamic | full of energy and force |
| 23. | effective | producing a strong result |
| 24. | efficient | working well with little waste |
| 25. | enduring | lasting through hardship or time |
| 26. | energetic | full of strength and activity |
| 27. | failsafe | designed to avoid failure |
| 28. | firm | strong and not easily shaken |
| 29. | fit | physically healthy and strong |
| 30. | foolproof | unlikely to fail or err |
| 31. | forceful | strong and effective in impact |
| 32. | formidable | inspiring respect through strength |
| 33. | full-bodied | rich, strong, and rounded |
| 34. | hard-wearing | resistant to wear and damage |
| 35. | hardened | made tough by experience or treatment |
| 36. | hardy | capable of surviving difficulty |
| 37. | healthy | in good physical condition |
| 38. | hearty | strong, healthy, and energetic |
| 39. | high-capacity | able to handle large loads |
| 40. | impregnable | unable to be captured or broken |
| 41. | indestructible | impossible or very hard to destroy |
| 42. | intense | very strong or forceful |
| 43. | invincible | too strong to defeat |
| 44. | iron | very strong and unyielding |
| 45. | ironclad | extremely secure or certain |
| 46. | knockout | extremely strong or impressive |
| 47. | lasting | continuing for a long time |
| 48. | lean | strong and efficient, not excessive |
| 49. | lively | full of energy and spirit |
| 50. | long-lasting | remaining effective for long |
| 51. | lustrous | rich and strong in appearance |
| 52. | lusty | healthy, strong, and energetic |
| 53. | marked | clearly noticeable and strong |
| 54. | massive | large, heavy, and strong |
| 55. | measured | controlled and steady in effect |
| 56. | meaty | substantial and full of content |
| 57. | mighty | very powerful or strong |
| 58. | muscle-bound | very muscular and strong |
| 59. | muscular | having well-developed muscles |
| 60. | nimble | quick and effective in action |
| 61. | peppy | lively and energetic |
| 62. | persistent | continuing firmly despite obstacles |
| 63. | potent | powerful and effective |
| 64. | powerful | having great strength or force |
| 65. | pronounced | clearly strong or noticeable |
| 66. | proven | shown to work well |
| 67. | redoubtable | formidable and impressive |
| 68. | reliable | consistently good and trustworthy |
| 69. | resilient | quick to recover or endure |
| 70. | rich | strong and full in quality |
| 71. | robustious | boisterously strong or vigorous |
| 72. | rugged | strong and rough-built |
| 73. | secure | safe, firm, and dependable |
| 74. | solid | firm and dependable |
| 75. | sound | healthy and reliable |
| 76. | stable | steady and not likely failing |
| 77. | stalwart | loyal, reliable, and strong |
| 78. | steady | firm, regular, and dependable |
| 79. | strapping | big, strong, and sturdy |
| 80. | strong | physically powerful or sturdy |
| 81. | sturdy | solidly built and durable |
| 82. | tamperproof | resistant to interference or damage |
| 83. | tempered | strengthened and balanced |
| 84. | tenacious | holding firm despite difficulty |
| 85. | thorough | complete and carefully done |
| 86. | tough | able to withstand hardship |
| 87. | tried-and-true | proven reliable over time |
| 88. | unbreakable | not easily broken |
| 89. | unshakable | not easily weakened or moved |
| 90. | unyielding | not giving way easily |
| 91. | validated | confirmed as sound or effective |
| 92. | vigorous | full of strength and energy |
| 93. | virus-resistant | able to resist viruses |
| 94. | weatherproof | resistant to weather damage |
| 95. | well-built | strongly and solidly made |
| 96. | well-founded | based on solid reasoning |
| 97. | well-grounded | firmly established or supported |
| 98. | well-made | carefully and solidly constructed |
| 99. | workmanlike | solid and competent in quality |
| 100. | zesty | full of energy and flavor |