error UK /ˈɛɹə/US /ˈɛɹəɹ/noun 9verb 3forms 3phrases 2 noun9 •a mistake that someone makes without meaning to, in what they do or sayThere was a large error in the accounts. •The state, quality, or condition of being wrong."Am I in error in marking out the s in the word assistants used in the following manner?[…]" — 1913 •A play which is scored as having been made incorrectly. •One or more mistakes in a trial that could be grounds for review of the judgement. •Any alteration in the DNA chemical structure occurring during DNA replication, recombination or repairing. •An unintentional deviation from the inherent rules of a language variety made by a second language learner. •The difference between a measured or calculated value and a true one. •A failure to complete a task, usually involving a premature termination. •Sin; transgression.I've finally seen the error of my ways. verb3 •To function improperly due to an error, especially accompanied by error message.The web-page took a long time to load and errored out.Remove that line of code and the script should stop erroring there. •To show or contain an error or fault.The block transmission errored near the start and could not be received. •(nonstandard) To err.By doing so examiners are erroring in the direction of drawing hypotheses based on greater evidence of reliability and validity. — 2000 formserrored · erroring · errors Phrases with error error outTo fail with an error. schoolboy errorA fundamental, simple mistake.