エラーの定義と意味 - メリアム・ウェブスター

ERROR Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition Definition Synonyms Synonym Chooser Example Sentences Word History Phrases Containing Rhymes Entries Near Related Articles Cite this Entry Citation Kids Definition Kids Medical Definition Medical Legal Definition Legal More from M-W Show more Show more Citation Kids Medical Legal More from M-W Save Word To save this word, you'll need to log in. Log In error noun er·​ror ˈer-ər ˈe-rər Synonyms of error Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 a : an act or condition of ignorant or imprudent deviation from a code of behavior b : an act involving an unintentional deviation from truth or accuracy made an error in adding up the bill c : an act that through ignorance, deficiency, or accident departs from or fails to achieve what should be done an error in judgment : such as (1) : a defensive misplay other than a wild pitch or passed ball made by a baseball player when normal play would have resulted in an out or prevented an advance by a base runner (2) : the failure of a player (as in tennis) to make a successful return of a ball during play d : a mistake in the proceedings of a court of record in matters of law or of fact 2 a : the quality or state of erring the map is in error b Christian Science : illusion about the nature of reality that is the cause of human suffering : the contradiction of truth c : an instance of false belief 3 : something produced by mistake a typographical error especially : a postage stamp exhibiting a consistent flaw (such as a wrong color) in its manufacture 4 a : the difference between an observed or calculated value and a true value specifically : variation in measurements, calculations, or observations of a quantity due to mistakes or to uncontrollable factors b : the amount of deviation from a standard or specification 5 : a deficiency or imperfection in structure or function an error of metabolism errorless ˈer-ər-ləs ˈe-rər- adjective Synonyms of error Relevance mistake blunder See All Synonyms & Antonyms in Thesaurus Choose the Right Synonym for error error , mistake , blunder , slip , lapse mean a departure from what is true, right, or proper. error suggests the existence of a standard or guide and a straying from the right course through failure to make effective use of this. procedural errors mistake implies misconception or inadvertence and usually expresses less criticism than error . dialed the wrong number by mistake blunder regularly imputes stupidity or ignorance as a cause and connotes some degree of blame. diplomatic blunders slip stresses inadvertence or accident and applies especially to trivial but embarrassing mistakes. a slip of the tongue lapse stresses forgetfulness, weakness, or inattention as a cause. a lapse in judgment Examples of error in a Sentence I made an error in my calculations. They uncovered several errors in his report to the committee. The paper contains numerous spelling errors . horrifying cases of hospital error The shortstop was charged with an error . Recent Examples on the Web Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback . During day three of the trial, Elon Musk struggled to present a confident front, which led to a number of unforced errors . — Joe Wilkins, Futurism , 30 Apr. 2026 This computational approach reduces the reliance on trial-and- error in material selection and explains how the tin layer stabilizes the interface and lowers overall cell resistance. — Aman Tripathi, Interesting Engineering , 30 Apr. 2026 Most often what kept Pal out of the money won’t the training or the fitness or the readiness, but conductor error . — Literary Hub , 30 Apr. 2026 Misprints are records with typographical or other visual errors , while mispressings occur when the factory presses the wrong music onto the record, says Coates. — Nina Derwin, Martha Stewart , 30 Apr. 2026 See All Example Sentences for error Word History Etymology Middle English errour "false opinion or belief, deviation from truth, sin, fault, defect," borrowed from Anglo-French & Latin; Anglo-French errur, errour "mistake, false belief, sin," borrowed from Latin errōr-, error "travel on an uncertain course, wandering, deviation from a path, mistake (in thought or action), moral lapse," from errāre "to wander, roam, drift, be in doubt or uncertainty, act in error, be mistaken" + -ōr-, -or, deverbal suffix of state — more at err First Known Use 13th century, in the meaning defined at sense 1a Time Traveler The first known use of error was in the 13th century See more words from the same century Phrases Containing error error bar error in judgment error message human error in error standard error syntax error systematic error the error of one's ways trial and error type I error type II error typographical error writ of error Rhymes for error bearer carer fairer ferrer rarer sharer terror wearer cupbearer declarer preparer repairer See All Rhymes for error Browse Nearby Words err on the side of error error bar See all Nearby Words Articles Related to error My Bad: 7 Words for When Things Go Wrong Not that you ever make a mistake How to use [Sic] It's not just for pointing out errors. Language Errors of the Rich and Famous Or at least 'famous' Cite this Entry Style MLA Chicago APA Merriam-Webster “Error.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/error. Accessed 4 May. 2026. Copy Citation Kids Definition error noun er·​ror ˈer-ər 1 a : departure from a code of behavior the error of their ways b : an unintentional departure from truth, accuracy, or a goal made an error in my adding c : a misplay made by a fielder in baseball 2 : the quality or state of erring 3 : a false belief or a set of false beliefs 4 : something produced by mistake 5 : the difference between an observed or calculated value and a true value especially : variation in measurements, calculations, or observations of a quantity as a result of mistakes or uncontrollable conditions 6 : the amount of error errorless -ləs adjective Medical Definition error noun er·​ror ˈer-ər : a deficiency or imperfection in structure or function inborn errors of metabolism Legal Definition error noun er·​ror : an act that through ignorance, deficiency, or accident departs from or fails to achieve what should be done procedural errors especially : a mistake made by a lower court in conducting judicial proceedings or making findings in a case to compel to conclusion that a manifest error has been done — Moses v. Burgin , 445 F.2d 369 (1971) — often used without an article had been error to give the jury special interrogatories — K. A. Cohen ; see also assignment of error , clearly erroneous Note: Generally a party must object to an error at trial in order to raise it as an issue on appeal. — clear error : an error made by a judge in his or her findings of fact which is such that it leaves the reviewing court with the firm and definite conviction that a mistake has been made Note: A clear error may or may not warrant reversal. — fundamental error : plain error in this entry — used especially in criminal cases — harmless error : an error that does not affect a substantial right or change the outcome of a trial and does not warrant reversal or other modification of the lower court's decision on appeal — invited error : an error resulting from a party's own request for or encouragement of an action by the court Note: A party may not seek relief based on invited error that he or she has induced. — manifest error : an error that is obvious and indisputable and that warrants reversal on appeal — plain error : an obvious and prejudicial error that affects the substantial rights of the parties and that results or probably results in a miscarriage of justice Note: Plain error warrants reversal on appeal even in the absence of objection to the error at trial. — prejudicial error : an error that affects or presumptively affects the outcome of a trial — reversible error : a substantial and prejudicial error warranting reversal on appeal More from Merriam-Webster on error Nglish: Translation of error for Spanish Speakers Britannica.com: Encyclopedia article about error Last Updated: 1 May 2026 - Updated example sentences Love words? 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