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100 Best Synonyms for “Mistake”

August 31, 2026

100 Best Synonyms for

No. Item Definition
1. accounting error A bookkeeping mistake.
2. arithmetic error A mistake in basic calculation.
3. avoidable error A preventable mistake.
4. bad call A poor decision.
5. billing error A mistake on a bill.
6. blooper An amusing public mistake.
7. blunder A careless or serious error.
8. bobble A small handling error.
9. boner A foolish informal mistake.
10. boo-boo A small or childish mistake.
11. botch A badly done mistake.
12. bug A defect or programming mistake.
13. bungle A clumsy mistake.
14. calculation error A mistake in arithmetic.
15. careless error A mistake from carelessness.
16. clanger A noticeable embarrassing mistake.
17. clerical error A paperwork or office mistake.
18. confusion A mix-up or misunderstanding.
19. copying error A mistake made while copying.
20. costly error An expensive or damaging mistake.
21. critical error A very important mistake.
22. data error A mistake in recorded data.
23. defect A fault or imperfection.
24. design error A mistake in design.
25. diagnostic error A mistake in diagnosis.
26. diplomatic error A mistake in diplomacy.
27. elementary error A basic mistake.
28. error A wrong action or judgment.
29. fallacy A mistaken or faulty belief.
30. false move A wrong or risky action.
31. fatal error A disastrous mistake.
32. fault A responsibility for something wrong.
33. faux pas A social or etiquette mistake.
34. filing error A mistake in filing records.
35. flub An informal performance mistake.
36. foul-up A messy informal mistake.
37. fumble A clumsy handling mistake.
38. gaffe An embarrassing social error.
39. glitch A small fault or error.
40. goof An informal silly mistake.
41. grave error A serious mistake.
42. gross error A very serious mistake.
43. howler A glaring or funny mistake.
44. human error A mistake made by a person.
45. inaccuracy A lack of correctness.
46. judicial error A mistake by a court.
47. lapse A temporary failure or error.
48. legal error A mistake in law or procedure.
49. logic error A mistake in reasoning or code.
50. malapropism A mistaken use of words.
51. mess-up An informal error or failure.
52. misapprehension A mistaken understanding.
53. misbelief A mistaken belief.
54. miscalculation A wrong estimate or judgment.
55. misclassification A wrong classification.
56. misconception A mistaken belief or idea.
57. mishap A minor unfortunate mistake or accident.
58. misidentification A wrong identification.
59. misimpression A mistaken impression.
60. misinterpretation A wrong explanation or understanding.
61. misjudgment A wrong judgment or decision.
62. misperception A mistaken perception.
63. misreading A wrong interpretation.
64. misstatement A wrong or inaccurate statement.
65. misstep A wrong move or action.
66. misunderstanding A failure to understand correctly.
67. mix-up A confusion or mistaken arrangement.
68. muck-up A bungled mistake.
69. muff A clumsy missed chance.
70. operator error A mistake made by an operator.
71. oversight An error from not noticing.
72. pilot error A mistake made by a pilot.
73. planning error A mistake in planning.
74. policy error A mistake in policy.
75. poor choice A bad decision.
76. procedural error A mistake in following procedure.
77. programming error A mistake in code.
78. recording error A mistake in recording information.
79. rounding error A mistake from numerical rounding.
80. sampling error A mistake from sample selection.
81. screwup A serious informal mistake.
82. slip A small accidental error.
83. snafu A confused error or mishap.
84. software bug A mistake in software.
85. solecism A grammatical or social mistake.
86. statistical error A mistake in statistical work.
87. strategic error A mistake in strategy.
88. surgical error A mistake during surgery.
89. syntax error A grammatical programming mistake.
90. tactical blunder A serious tactical mistake.
91. tactical error A mistake in tactics.
92. technical error A mistake involving technical matters.
93. transcription error A mistake in written copying.
94. typo A typing or printing error.
95. typographical error A mistake in typed text.
96. unforced error An avoidable mistake.
97. user error A mistake made by a user.
98. wrong choice An incorrect decision.
99. wrong move An incorrect action.
100. wrong turn A mistaken choice or direction.

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