| No. | Item | Definition |
|---|---|---|
| 1. | absurdity | something plainly unreasonable |
| 2. | albatross | a burdensome mistake or problem |
| 3. | backfire | produce the opposite result |
| 4. | bad call | a poor decision |
| 5. | bad idea | an unwise plan |
| 6. | blind alley | a useless line of action |
| 7. | blunder | a serious careless mistake |
| 8. | boner | a foolish blunder |
| 9. | boondoggle | a wasteful foolish project |
| 10. | botch | a badly done action |
| 11. | brainwave | a supposedly clever bad idea |
| 12. | bungle | a clumsy mistake or failure |
| 13. | car crash | a disastrous mess |
| 14. | carelessness | failure to take due care |
| 15. | catastrophe | an extremely bad outcome |
| 16. | clanger | a glaring mistake |
| 17. | clusterfuck | a complete chaotic failure |
| 18. | cock-up | a bungled mistake |
| 19. | credulity | readiness to believe foolishly |
| 20. | cul-de-sac | a route with no exit |
| 21. | dead end | a useless course |
| 22. | debacle | a complete disastrous failure |
| 23. | delusion | a false belief or idea |
| 24. | detour | an indirect unhelpful route |
| 25. | disaster | a very bad result |
| 26. | dud | something that fails badly |
| 27. | dumb idea | a stupid plan |
| 28. | dumb move | a stupid action |
| 29. | error | a wrong judgment or act |
| 30. | face-plant | an embarrassing obvious failure |
| 31. | false step | a mistaken action |
| 32. | farce | a ridiculous failure |
| 33. | fault | an error or weakness |
| 34. | fiasco | a disastrously bad outcome |
| 35. | folly | a foolish act or idea |
| 36. | foul-up | a confused mistake |
| 37. | fumble | handle clumsily or wrongly |
| 38. | gaffe | an embarrassing mistake |
| 39. | gamble | a risky uncertain choice |
| 40. | harebrained scheme | a wildly foolish plan |
| 41. | hastiness | excessive speed without care |
| 42. | howler | a ridiculous mistake |
| 43. | idiocy | very foolish behavior or choice |
| 44. | impetuosity | rash impulsive behavior |
| 45. | imprudence | lack of careful judgment |
| 46. | impulsiveness | acting without thinking |
| 47. | indiscretion | an unwise or improper act |
| 48. | lapse | a temporary failure in judgment |
| 49. | leap in the dark | a risky uninformed step |
| 50. | letdown | a disappointing result |
| 51. | liability | a source of disadvantage |
| 52. | long shot | a highly unlikely attempt |
| 53. | lunacy | crazy or absurd judgment |
| 54. | madness | wildly unwise behavior |
| 55. | mess-up | a badly handled mistake |
| 56. | misadventure | an unfortunate mistaken venture |
| 57. | miscalculation | a wrong estimate or judgment |
| 58. | misfire | a plan that fails |
| 59. | misjudgment | a faulty decision or opinion |
| 60. | misstep | a wrong move or action |
| 61. | mistake | a wrong choice or action |
| 62. | nightmare | a very bad experience |
| 63. | nonstarter | something doomed from the start |
| 64. | offense | a wrong or harmful act |
| 65. | overreach | trying beyond sensible limits |
| 66. | oversight | a careless failure to notice |
| 67. | own goal | a self-defeating act |
| 68. | pipe dream | an unrealistic idea |
| 69. | pitfall | a hidden source of trouble |
| 70. | poor choice | an unwise selection |
| 71. | precipitancy | undue haste in acting |
| 72. | quagmire | a difficult messy situation |
| 73. | rashness | hasty lack of caution |
| 74. | recklessness | careless disregard of risk |
| 75. | rot | nonsense or foolish talk |
| 76. | ruin | complete destruction or failure |
| 77. | screwup | a serious mistake |
| 78. | self-sabotage | harmful action against oneself |
| 79. | shitshow | a chaotic disastrous situation |
| 80. | shot in the dark | a blind guess or attempt |
| 81. | slip | a small mistake |
| 82. | slipup | a small careless mistake |
| 83. | stab in the dark | an uninformed attempt |
| 84. | stumble | a faltering mistake |
| 85. | stupidity | extreme foolishness in action |
| 86. | thoughtlessness | lack of consideration or care |
| 87. | train wreck | a complete mess |
| 88. | trainwreck | a complete disaster |
| 89. | transgression | an act breaking limits |
| 90. | trap | a harmful difficult situation |
| 91. | travesty | a grotesque failure |
| 92. | trip-up | a mistake causing difficulty |
| 93. | turkey | a complete failure |
| 94. | undoing | cause of downfall |
| 95. | washout | a complete failure |
| 96. | wreck | something badly damaged or failed |
| 97. | wrong move | an unwise action |
| 98. | wrong turn | a mistaken direction or choice |
| 99. | wrongdoing | bad or illegal action |
| 100. | wrongheadedness | stubbornly bad judgment |
