| noun | a wrong action attributable to bad judgment or ignorance or inattention “he made a bad mistake” |
| noun | inadvertent incorrectness |
| noun | a misconception resulting from incorrect information |
| noun | (baseball) a failure of a defensive player to make an out when normal play would have sufficed |
| noun | departure from what is ethically acceptable |
| noun | (computer science) the occurrence of an incorrect result produced by a computer |
| noun | part of a statement that is not correct “the book was full of errors” |
| mistake | verb | to make a mistake or be incorrect |
| err | verb | to make a mistake or be incorrect |
| faulty | adjective | characterized by errors; not agreeing with a model or not following established rules; ; ; the wrong side of the road" |
| fault | verb | put or pin the blame on |
| erroneous | adjective | containing or characterized by error |
| misplay | verb | play wrong or in an unskillful manner |