| No. | Term | Definition |
|---|---|---|
| 1. | Ailing | In poor health; unwell. |
| 2. | Anemic | Lacking vigor, strength, or color. |
| 3. | Atrophied | Wasted away from disuse or disease. |
| 4. | Attenuated | Made thinner, weaker, or less intense. |
| 5. | Battered | Worn down by repeated blows or stress. |
| 6. | Brittle | Easily broken; lacking resilience. |
| 7. | Broken-down | Run-down; no longer functioning well. |
| 8. | Cracked | Split; structurally compromised. |
| 9. | Crippled | Severely impaired in function or ability. |
| 10. | Crumbling | Falling apart; losing solidity. |
| 11. | Damaged | Harmed; reduced in effectiveness. |
| 12. | Debilitated | Greatly weakened by illness or strain. |
| 13. | Decaying | Rotting; deteriorating in strength. |
| 14. | Decrepit | Worn out; frail from age. |
| 15. | Defective | Faulty; not working properly. |
| 16. | Defenseless | Unable to protect oneself. |
| 17. | Deficient | Lacking an essential quality or amount. |
| 18. | Depleted | Drained of energy, strength, or resources. |
| 19. | Dilapidated | In disrepair; broken down. |
| 20. | Disabled | Limited in ability; impaired. |
| 21. | Enervated | Drained of energy; listless. |
| 22. | Exhausted | Extremely tired; spent. |
| 23. | Fading | Losing strength, color, or intensity. |
| 24. | Failing | Declining; not succeeding or functioning. |
| 25. | Faint | Lacking strength; barely perceptible. |
| 26. | Feckless | Ineffective; lacking initiative or strength. |
| 27. | Feeble | Lacking physical strength or force. |
| 28. | Fragile | Easily damaged; delicate. |
| 29. | Frail | Easily broken; physically delicate. |
| 30. | Frangible | Easily broken or shattered. |
| 31. | Gassed | Out of energy; exhausted. |
| 32. | Gaunt | Thin and bony; worn-looking. |
| 33. | Giving way | Yielding; losing resistance or strength. |
| 34. | Graceless | Lacking skill, poise, or power. |
| 35. | Gullible | Easily deceived; lacking judgment. |
| 36. | Halfhearted | Without vigor or full commitment. |
| 37. | Hapless | Unlucky and helpless. |
| 38. | Hollow | Lacking substance or real strength. |
| 39. | Impaired | Damaged or weakened in function. |
| 40. | Inadequate | Not enough; insufficiently effective. |
| 41. | Incompetent | Not capable; lacking ability. |
| 42. | Ineffectual | Not producing the desired effect. |
| 43. | Inefficient | Wasting effort; not effective. |
| 44. | Infirm | Weak or ill, especially with age. |
| 45. | Insecure | Not firm or stable; uncertain. |
| 46. | Insipid | Lacking flavor, vigor, or interest. |
| 47. | Jaded | Worn out; dulled by overuse. |
| 48. | Jittery | Nervously unsteady; lacking composure. |
| 49. | Knackered | Completely exhausted; worn out. |
| 50. | Lacking | Not having; deficient in. |
| 51. | Lackluster | Dull; without vitality or force. |
| 52. | Lame | Unconvincing; feeble or inadequate. |
| 53. | Languid | Slow, relaxed, and lacking energy. |
| 54. | Languishing | Drooping; failing to thrive. |
| 55. | Leaky | Not watertight; losing contents or force. |
| 56. | Listless | Without energy or enthusiasm. |
| 57. | Malnourished | Underfed; lacking proper nutrition. |
| 58. | Meager | Scanty; lacking fullness or strength. |
| 59. | Mere | Only; not substantial or strong. |
| 60. | Mild | Not strong in effect or intensity. |
| 61. | Miserable | Wretched; lacking spirit or strength. |
| 62. | Nerveless | Without energy, vigor, or courage. |
| 63. | Nervous | Easily agitated; lacking steadiness. |
| 64. | Noodly | Soft and limp; lacking firmness. |
| 65. | Not up to much | Of low quality or strength. |
| 66. | Pallid | Pale; lacking vitality. |
| 67. | Paltry | Small and meager; insignificant. |
| 68. | Pathetic | Pitifully inadequate or feeble. |
| 69. | Puny | Small and feeble. |
| 70. | Quavering | Shaking; unsteady from weakness or fear. |
| 71. | Queasy | Slightly sick; lacking steadiness. |
| 72. | Ragged | Worn; frayed and weakened. |
| 73. | Ramshackle | Poorly built; likely to collapse. |
| 74. | Rattled | Shaken; lacking composure. |
| 75. | Rickety | Likely to fall; poorly supported. |
| 76. | Rundown | Tired and in poor condition. |
| 77. | Sagging | Drooping from lack of support. |
| 78. | Sapless | Lacking vitality or energy. |
| 79. | Scrawny | Unattractively thin and weak-looking. |
| 80. | Shaky | Unsteady; lacking firmness. |
| 81. | Sickly | Often ill; lacking robust health. |
| 82. | Slender | Thin; not strongly built. |
| 83. | Soft | Not hard or firm; yielding easily. |
| 84. | Spent | Used up; exhausted. |
| 85. | Spindly | Long, thin, and weak-looking. |
| 86. | Spineless | Lacking courage or resolve. |
| 87. | Squalid | Filthy and degraded; run-down. |
| 88. | Stunted | Prevented from developing fully. |
| 89. | Subpar | Below standard; inferior. |
| 90. | Substandard | Not meeting required quality. |
| 91. | Susceptible | Easily affected or harmed. |
| 92. | Tepid | Lukewarm; lacking enthusiasm or force. |
| 93. | Thin | Not thick; lacking substance. |
| 94. | Threadbare | Worn thin; shabby and weak. |
| 95. | Timid | Lacking courage or confidence. |
| 96. | Tired | In need of rest; lacking energy. |
| 97. | Tottering | Unsteady; about to fall. |
| 98. | Unconvincing | Not persuasive; lacking force. |
| 99. | Underpowered | Not powerful enough for the task. |
| 100. | Unfit | Not in good condition; unsuitable. |
