| No. | Item | Definition |
|---|---|---|
| 1. | abort | a stopped attempt; a failure |
| 2. | abortion | a stopped attempt; a failure |
| 3. | bad call | a wrong decision |
| 4. | blockage | something that stops progress |
| 5. | blunder | a serious, costly mistake |
| 6. | botch | a job done badly |
| 7. | breach | failure to keep a promise |
| 8. | break | a sudden failure or collapse |
| 9. | breakdown | a failure to function properly |
| 10. | bungle | a clumsy, unsuccessful attempt |
| 11. | burnout | collapse from exhaustion |
| 12. | bust | a complete failure |
| 13. | calamity | a serious disaster or failure |
| 14. | catastrophe | a terrible, total failure |
| 15. | check | a stop or setback |
| 16. | cock-up | a blunder; a mess-up |
| 17. | collapse | a sudden breakdown or end |
| 18. | coming up short | failing to reach a goal |
| 19. | crash | a sudden collapse or failure |
| 20. | debacle | a sudden, complete disaster |
| 21. | default | failure to meet an obligation |
| 22. | defeat | being beaten; not succeeding |
| 23. | deficiency | a lack of something needed |
| 24. | disappointment | an outcome that falls short |
| 25. | disaster | a very bad, failed outcome |
| 26. | downfall | a fall from success |
| 27. | dud | something that fails to work |
| 28. | embarrassment | a situation that feels like failure |
| 29. | error | something done incorrectly |
| 30. | fall | a downfall; loss of success |
| 31. | falling short | not meeting expectations |
| 32. | false step | a misstep leading to failure |
| 33. | fault | a defect or error causing failure |
| 34. | fiasco | a humiliating, disastrous failure |
| 35. | flaw | a defect; a weakness |
| 36. | flop | a complete lack of success |
| 37. | foul-up | a mistake that ruins things |
| 38. | gaffe | a social blunder; misstep |
| 39. | gap | a missing part; deficiency |
| 40. | glitch | a small fault or failure |
| 41. | goof | a silly mistake causing failure |
| 42. | halt | a stop; inability to continue |
| 43. | hard luck | misfortune; unlucky failure |
| 44. | hitch | a minor problem or obstacle |
| 45. | hole | a serious weakness or lack |
| 46. | humiliation | a shameful defeat or failure |
| 47. | ignominy | public shame from failure |
| 48. | ill luck | bad luck causing failure |
| 49. | impasse | a deadlock; no progress possible |
| 50. | impediment | something that blocks progress |
| 51. | inadequacy | insufficient quality or ability |
| 52. | incompetence | lack of ability; failure to perform |
| 53. | ineptitude | lack of skill; poor performance |
| 54. | insufficiency | not enough to succeed |
| 55. | lack of success | not achieving the desired result |
| 56. | lapse | a temporary failure or error |
| 57. | letdown | a disappointing result |
| 58. | loss | an unsuccessful outcome |
| 59. | malfunction | failure to work correctly |
| 60. | mess | a badly failed situation |
| 61. | miscalculation | a wrong estimate causing failure |
| 62. | misfire | an attempt that fails to work |
| 63. | misjudgment | a poor decision; an error |
| 64. | mismanagement | poor handling leading to failure |
| 65. | misstep | a wrong step; an error |
| 66. | mistake | an error that causes failure |
| 67. | neglect | failure to give proper care |
| 68. | no-go | something that cannot proceed |
| 69. | no-win | a situation without success |
| 70. | nonperformance | failure to do what was required |
| 71. | nonstarter | something that cannot succeed |
| 72. | obstacle | something that prevents success |
| 73. | omission | something left out by mistake |
| 74. | oversight | a mistake from inattention |
| 75. | powerlessness | inability to affect outcomes |
| 76. | problem | a difficulty that prevents success |
| 77. | reversal | a change to a worse outcome |
| 78. | reverse | a setback; a turn for worse |
| 79. | rout | a decisive defeat |
| 80. | ruin | complete destruction or failure |
| 81. | screw-up | a serious mistake; a failure |
| 82. | setback | a reversal or delay in progress |
| 83. | shambles | a state of total disorder |
| 84. | shipwreck | a complete ruin or failure |
| 85. | shortcoming | a deficiency; something lacking |
| 86. | slip | a small mistake |
| 87. | snafu | a confused, failed situation |
| 88. | snag | a problem causing delay or failure |
| 89. | sticking point | a key obstacle to success |
| 90. | stoppage | a halt due to problems |
| 91. | train wreck | a disastrous failure |
| 92. | trouncing | a severe defeat |
| 93. | undoing | cause of downfall or failure |
| 94. | vulnerability | a weakness open to failure |
| 95. | washout | a person or thing that fails |
| 96. | weakness | a point that leads to failure |
| 97. | wipeout | a crushing defeat |
| 98. | write-off | something judged a failure |
| 99. | wrong move | an action that backfires |
| 100. | wrong turn | a choice leading to failure |