error

(noun) a wrong action attributable to bad judgment or ignorance or inattention. Synonyms: mistake, fault. Examples: "He made a bad mistake." "She was quick to point out my errors." "I could understand his english in spite of his grammatical faults."

(noun) inadvertent incorrectness. Synonyms: erroneousness.

(noun) a misconception resulting from incorrect information. Synonyms: erroneous belief.

(noun) (baseball) a failure of a defensive player to make an out when normal play would have sufficed. Synonyms: misplay.

(noun) departure from what is ethically acceptable. Synonyms: wrongdoing.

(noun) (computer science) the occurrence of an incorrect result produced by a computer. Synonyms: computer error.

(noun) part of a statement that is not correct. Synonyms: mistake. Example: "The book was full of errors."