| No. | Item | Definition |
|---|---|---|
| 1. | aberration | A departure from what is correct |
| 2. | anomaly | Something irregular or incorrect |
| 3. | artifact | A misleading result from method |
| 4. | bad call | A wrong decision or judgment |
| 5. | bad data | Incorrect or faulty data |
| 6. | bad decision | A poor choice |
| 7. | bad move | A poor or mistaken action |
| 8. | blemish | A small flaw or defect |
| 9. | blooper | An amusing public mistake |
| 10. | blunder | A serious careless mistake |
| 11. | botch | A badly made mistake |
| 12. | breakdown | A failure in operation |
| 13. | bug | A software or technical fault |
| 14. | contamination | Unwanted impurity causing inaccuracy |
| 15. | contradiction | A conflict showing something wrong |
| 16. | corruption | Damage causing incorrect data |
| 17. | defacement | Damage causing a flaw |
| 18. | defect | A flaw or imperfection |
| 19. | deficiency | A lack or fault |
| 20. | delusion | A strongly held false belief |
| 21. | deviation | A departure from the correct course |
| 22. | discrepancy | A difference indicating something wrong |
| 23. | displacement | Movement from the proper position |
| 24. | distortion | A change from accuracy or truth |
| 25. | drift | Gradual departure from accuracy |
| 26. | failing | A weakness or fault |
| 27. | failure | A lack of correct performance |
| 28. | fallacy | A mistaken belief or argument |
| 29. | false negative | A wrongly negative result |
| 30. | false positive | A wrongly positive result |
| 31. | false step | A mistaken action or move |
| 32. | falsehood | Something untrue or incorrect |
| 33. | fault | A mistake or defect |
| 34. | faux pas | An embarrassing social mistake |
| 35. | flaw | A weakness or imperfection |
| 36. | gaffe | An embarrassing social mistake |
| 37. | glitch | A small technical fault |
| 38. | howler | A glaring or foolish mistake |
| 39. | imperfection | A fault or flaw |
| 40. | imprecision | Lack of precision or exactness |
| 41. | inaccuracy | Something not accurate or correct |
| 42. | incongruity | Something that does not fit |
| 43. | inconsistency | A lack of agreement or correctness |
| 44. | incorrect answer | A response that is not right |
| 45. | incorrect result | A result that is not right |
| 46. | incorrectness | The state of being wrong |
| 47. | inexactness | Lack of exact accuracy |
| 48. | irregularity | Something not correct or regular |
| 49. | lapse | A temporary failure or mistake |
| 50. | malfunction | A failure to work correctly |
| 51. | misbelief | A mistaken belief |
| 52. | miscalculation | A wrong calculation or judgment |
| 53. | misclassification | Incorrect classification |
| 54. | misconception | A mistaken idea or belief |
| 55. | miscount | A counting mistake |
| 56. | miscue | A mistaken cue or action |
| 57. | misdiagnosis | An incorrect diagnosis |
| 58. | misestimate | A wrong estimate |
| 59. | mishap | A small unfortunate mistake |
| 60. | misidentification | Incorrect identification |
| 61. | misjudgment | A wrong opinion or decision |
| 62. | mislabeling | Incorrect labeling |
| 63. | mismeasurement | An incorrect measurement |
| 64. | misnumbering | Incorrect numbering |
| 65. | misprint | A printing or typing mistake |
| 66. | misquotation | An incorrect quotation |
| 67. | misquote | An incorrect quoted statement |
| 68. | misreading | A wrong reading or interpretation |
| 69. | misreckoning | A wrong estimate or calculation |
| 70. | misreport | An incorrect report |
| 71. | misstatement | An incorrect statement |
| 72. | misstep | A wrong action or judgment |
| 73. | mistake | Something done or judged incorrectly |
| 74. | noise | Unwanted disturbance causing inaccuracy |
| 75. | omission | Something wrongly left out |
| 76. | oversight | A mistake from not noticing |
| 77. | overstatement | An exaggerated or incorrect statement |
| 78. | pitfall | A hidden source of mistakes |
| 79. | poor call | A bad judgment or decision |
| 80. | pratfall | An embarrassing mistake |
| 81. | problem | Something wrong or incorrect |
| 82. | scar | A lasting mark or flaw |
| 83. | shortcoming | A fault or weakness |
| 84. | slip | A small accidental mistake |
| 85. | snafu | A confused mistake or problem |
| 86. | solecism | A language or etiquette mistake |
| 87. | stumble | A minor mistake or lapse |
| 88. | trip-up | A mistake or stumbling point |
| 89. | typo | A typing mistake |
| 90. | untruth | A false statement or belief |
| 91. | variance | An unwanted difference from expected value |
| 92. | warp | A distortion from the correct shape |
| 93. | weakness | A fault or deficiency |
| 94. | wrong answer | An incorrect response |
| 95. | wrong call | An incorrect decision or judgment |
| 96. | wrong decision | An incorrect choice |
| 97. | wrong move | An incorrect action |
| 98. | wrong result | An incorrect outcome |
| 99. | wrong turn | An incorrect choice or direction |
| 100. | wrongness | The quality of being incorrect |