[ er-er ]
/ ˈɛr ər /


Origin of error

1250–1300; Middle English errour < Latin errōr- (stem of error), equivalent to err- err + -or -or1


4 fault, transgression, trespass, misdeed.

Related forms

er·ror·less, adjectiveer·ror·less·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for error

British Dictionary definitions for error


/ (ˈɛrə) /


a mistake or inaccuracy, as in action or speecha typing error
an incorrect belief or wrong judgment
the condition of deviating from accuracy or correctness, as in belief, action, or speechhe was in error about the train times
deviation from a moral standard; wrongdoinghe saw the error of his ways
maths statistics a measure of the difference between some quantity and an approximation to or estimate of it, often expressed as a percentagean error of 5%
statistics See type I error, type II error

Derived Forms

error-free, adjective

Word Origin for error

C13: from Latin, from errāre to err
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for error


[ ĕrər ]


A defect or insufficiency in structure or function.
An act, assertion, or decision, especially one made in testing a hypothesis, that unintentionally deviates from what is correct, right, or true.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Idioms and Phrases with error


see comedy of errors; trial and error.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.