Error meaning : The state, quality, or condition of being wrong. A mistake; an accidental wrong action or a false statement not made deliberately. Sin; transgression. A failure to complete a task, usually involving a premature termination. The difference between a measured or calculated value and a true one. 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. To function improperly due to an error, especially accompanied by error message. To show or contain an error or fault. To err.