- error ► NOUN 1) a mistake. 2) the state of being wrong in conduct or judgement. 3) technical a measure of the estimated difference between the observed or calculated value of a quantity and its true value.● see the error of one's ways — Cf. ↑see the error of one's waysORIGIN Latin, from errare 'to stray, err' .
English terms dictionary. 2015.