| No. | Term | Definition |
|---|---|---|
| 1. | Aberration | Departure from what’s normal. |
| 2. | Abnormality | Something not typical or expected. |
| 3. | Achilles heel | A critical weakness. |
| 4. | Adversity | Difficult circumstances or hardship. |
| 5. | Affliction | Something causing pain or distress. |
| 6. | Aftereffect | A lingering negative result. |
| 7. | Aggravation | Ongoing annoyance or irritation. |
| 8. | Alarm | A cause for urgent concern. |
| 9. | Albatross | A burdensome ongoing responsibility. |
| 10. | Anomaly | Something unusual or unexpected. |
| 11. | Antagonism | Active opposition or hostility. |
| 12. | Bane | A persistent cause of harm. |
| 13. | Barrier | Something that blocks progress. |
| 14. | Blemish | A minor flaw or imperfection. |
| 15. | Blocker | Something preventing completion. |
| 16. | Bottleneck | A point causing slowdowns. |
| 17. | Breakdown | A failure in function or process. |
| 18. | Bug | An error in a system. |
| 19. | Burden | A heavy load or responsibility. |
| 20. | Catch | A hidden drawback or condition. |
| 21. | Challenge | A demanding task or situation. |
| 22. | Complication | A factor making things harder. |
| 23. | Concern | Something that worries or matters. |
| 24. | Consequence | A negative result or outcome. |
| 25. | Constraint | A limiting condition or restriction. |
| 26. | Contention | A point of dispute. |
| 27. | Contradiction | Inconsistency between statements or facts. |
| 28. | Conundrum | A confusing and difficult question. |
| 29. | Crisis | A time of intense difficulty. |
| 30. | Critical issue | A serious matter needing action. |
| 31. | Cul-de-sac | A situation with no way forward. |
| 32. | Curveball | An unexpected difficulty. |
| 33. | Difficulty | Something hard to do or handle. |
| 34. | Dilemma | A choice between tough options. |
| 35. | Disadvantage | A condition reducing success. |
| 36. | Disaster | A sudden major failure or harm. |
| 37. | Discrepancy | A mismatch between expected and actual. |
| 38. | Disruption | An interruption to normal operation. |
| 39. | Distress | Severe anxiety or suffering. |
| 40. | Disturbance | An unsettling interruption. |
| 41. | Drawback | A negative feature or limitation. |
| 42. | Error | A mistake or incorrect action. |
| 43. | Escalation | A worsening or increase in severity. |
| 44. | Exasperation | Strong irritation from repeated issues. |
| 45. | Failure | Lack of success or breakdown. |
| 46. | Fault | A defect or responsibility for error. |
| 47. | Flaw | An imperfection or weakness. |
| 48. | Friction | Tension slowing cooperation or progress. |
| 49. | Glitch | A brief, unexpected malfunction. |
| 50. | Grievance | A complaint about unfair treatment. |
| 51. | Hassle | An annoying inconvenience. |
| 52. | Headache | A persistent source of trouble. |
| 53. | Hiccup | A small temporary setback. |
| 54. | Hindrance | Something that delays progress. |
| 55. | Hitch | A small snag or obstacle. |
| 56. | Hole | A gap in coverage or logic. |
| 57. | Hurdle | An obstacle to overcome. |
| 58. | Imbalance | Lack of proper proportion or equality. |
| 59. | Impediment | Something that obstructs movement or progress. |
| 60. | Inconsistency | Lack of agreement or stability. |
| 61. | Inconvenience | A minor disruption or annoyance. |
| 62. | Inefficiency | Wasted effort or poor performance. |
| 63. | Injury | Physical harm or damage. |
| 64. | Insult | An offensive act or remark. |
| 65. | Interference | Unwanted involvement disrupting outcomes. |
| 66. | Irritation | A cause of annoyance. |
| 67. | Issue | A matter needing attention. |
| 68. | Jam | A situation that stops progress. |
| 69. | Jinx | A seeming cause of bad luck. |
| 70. | Kink | A small defect or twist. |
| 71. | Knock-on effect | An indirect negative result. |
| 72. | Lapse | A temporary failure or oversight. |
| 73. | Liability | A disadvantage or legal responsibility. |
| 74. | Limitation | A boundary on what’s possible. |
| 75. | Lingering doubt | Persistent uncertainty about something. |
| 76. | Load | A heavy demand on resources. |
| 77. | Logjam | A blockage halting progress. |
| 78. | Loss | A reduction or defeat. |
| 79. | Malfunction | Failure to operate correctly. |
| 80. | Mishap | An unlucky accident. |
| 81. | Misstep | A wrong move or mistake. |
| 82. | Mix-up | A confusion of details or items. |
| 83. | Obstacle | Something in the way. |
| 84. | Omission | Something left out by mistake. |
| 85. | Ordeal | A painful or difficult experience. |
| 86. | Oversight | An unintentional failure to notice. |
| 87. | Pain point | A recurring source of frustration. |
| 88. | Pitfall | A hidden danger or difficulty. |
| 89. | Predicament | An unpleasant, hard situation. |
| 90. | Pressure point | A sensitive area causing trouble. |
| 91. | Quandary | Uncertainty about what to do. |
| 92. | Quibble | A minor objection or dispute. |
| 93. | Risk | Chance of loss or harm. |
| 94. | Roadblock | Something stopping forward movement. |
| 95. | Rough patch | A temporary difficult period. |
| 96. | Rupture | A break in relations or structure. |
| 97. | Setback | A reversal that delays progress. |
| 98. | Shortcoming | A deficiency or failing. |
| 99. | Snafu | A confused or messed-up situation. |
| 100. | Snag | An unexpected small difficulty. |


