| No. | Item | Definition |
|---|---|---|
| 1. | abortive | failing to achieve intended result |
| 2. | absurd | wildly unreasonable and pointless |
| 3. | academic | theoretical, not practically useful |
| 4. | asinine | extremely foolish or pointless |
| 5. | barren | not yielding anything useful |
| 6. | beside the point | not useful to the discussion |
| 7. | blind alley | an unproductive course |
| 8. | bootless | bringing no advantage or success |
| 9. | botched | badly done and ineffective |
| 10. | broken | not functioning or useful |
| 11. | counterproductive | having the opposite useful effect |
| 12. | crap | worthless or very poor quality |
| 13. | cul-de-sac | a route with no useful end |
| 14. | dead end | something leading nowhere useful |
| 15. | deadweight | a useless burden or load |
| 16. | defective | not working properly or usefully |
| 17. | disadvantage | something making use less likely |
| 18. | drag | something that slows usefulness |
| 19. | drawback | a feature reducing usefulness |
| 20. | dud | something that fails or disappoints |
| 21. | empty | lacking real value or effect |
| 22. | encumbrance | a burden with little use |
| 23. | failure | something that does not work |
| 24. | feeble | too weak to be useful |
| 25. | flat | lacking force or useful effect |
| 26. | flop | something that fails badly |
| 27. | fruitless | producing no useful outcome |
| 28. | futile | incapable of producing useful results |
| 29. | garbage | something worthless or useless |
| 30. | good-for-nothing | of no use or value |
| 31. | half-baked | poorly thought out and ineffective |
| 32. | handicap | something that limits effectiveness |
| 33. | hindrance | something that blocks usefulness |
| 34. | hollow | lacking substance or usefulness |
| 35. | hopeless | offering no useful chance |
| 36. | idle | not serving any practical purpose |
| 37. | impotent | unable to produce an effect |
| 38. | impractical | not useful in real situations |
| 39. | inapplicable | not useful in this case |
| 40. | ineffective | not producing the intended effect |
| 41. | ineffectual | not producing the desired result |
| 42. | inefficacious | not able to produce effect |
| 43. | inoperative | not working or effective |
| 44. | irrelevant | not useful to the matter |
| 45. | junk | low-quality and useless stuff |
| 46. | lame | weak and unconvincing |
| 47. | lemon | a defective, useless thing |
| 48. | liability | a disadvantage rather than help |
| 49. | lost | unable to be put to use |
| 50. | ludicrous | absurd and lacking practical sense |
| 51. | malfunctioning | not working as intended |
| 52. | meaningless | having no real purpose or value |
| 53. | mediocre | only moderately useful or good |
| 54. | millstone | a burdensome useless encumbrance |
| 55. | no good | not useful or effective |
| 56. | nonfunctional | not able to operate usefully |
| 57. | nonsensical | having no sensible purpose |
| 58. | nonstarter | something with no chance |
| 59. | nugatory | of no value or effect |
| 60. | null | having no effect or value |
| 61. | obstacle | something that impedes progress |
| 62. | of little use | hardly useful in practice |
| 63. | of little value | having very small worth |
| 64. | of no use | not useful at all |
| 65. | of no value | having no practical worth |
| 66. | otiose | serving no practical purpose |
| 67. | out of order | not working properly |
| 68. | pathetic | pitifully ineffective or weak |
| 69. | pitiful | very poor and ineffective |
| 70. | pointless | having no purpose or value |
| 71. | poor | not good or useful |
| 72. | profitless | bringing no gain or benefit |
| 73. | purposeless | without any useful purpose |
| 74. | ridiculous | deserving mockery; pointless |
| 75. | rubbish | something worthless or absurd |
| 76. | second-rate | inferior and not very useful |
| 77. | senseless | lacking reason or useful purpose |
| 78. | shoddy | poorly made and not useful |
| 79. | sorry | poor and ineffective |
| 80. | sterile | not producing useful results |
| 81. | substandard | below useful or accepted quality |
| 82. | theoretical | not practical or usable |
| 83. | trash | worthless or useless material |
| 84. | unavailing | bringing no benefit or success |
| 85. | unfit | not suitable for the purpose |
| 86. | unhelpful | not giving useful help |
| 87. | unproductive | not yielding useful results |
| 88. | unserviceable | not fit for use |
| 89. | unsuitable | not right for the purpose |
| 90. | unusable | not able to be used |
| 91. | unworkable | not capable of practical use |
| 92. | vain | producing no useful result |
| 93. | valueless | having no worth or usefulness |
| 94. | void | without force or practical effect |
| 95. | washout | a complete failure |
| 96. | waste | having no useful purpose |
| 97. | wasted | used without useful result |
| 98. | weak | not strong or effective enough |
| 99. | white elephant | costly but useless possession |
| 100. | worthless | having no real value or use |