error

Universal Words noun [C,U] ~ in sth / in doing sth a mistake, especially one that causes problems or affects the result of sth: No payments were made last week because of a computer error. * There are too many errors in your work. * I think you have made an error in calculating the total. * A simple error of judgement meant that there was not enough food to go around. * an error message (= one that tells you sth is wrong in a computer program) on the screen * a grave error (= a very serious mistake) * The delay was due to human error (= a mistake made by a person rather than by a machine). * The computer system was switched off in error (= by mistake). * There is no room for error in this job. * Almost all accidents start with a simple error by the pilot. IDIOMS see, realize, etc. the error of your ways (formal or humorous) to realize or admit that you have done sth wrong and decide to change your behaviour moreatTRIALn.