Definition of mistake

• 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"
• an understanding of something that is not correct; "he wasnt going to admit his mistake"; "make no mistake about his intentions"; "there must be some misunderstanding--I dont have a sister"
• part of a statement that is not correct; "the book was full of errors"