Noun
1. a wrong action attributable to bad judgment or ignorance or inattention;
"he made a bad mistake""she was quick to point out my errors""I could understand his English in spite of his grammatical faults"2. inadvertent incorrectness
3. a misconception resulting from incorrect information
4. (baseball) a failure of a defensive player to make an out when normal play would have sufficed
5. departure from what is ethically acceptable
6. (computer science) the occurrence of an incorrect result produced by a computer
7. part of a statement that is not correct;
"the book was full of errors"