er·​ro·​ne·​ous | \ i-ˈrō-nē-əs How to pronounce erroneous (audio) , e- \

Essential Meaning of erroneous

formal : not correct We received erroneous information. an erroneous diagnosis/theory

Full Definition of erroneous

1 : containing or characterized by error : mistaken erroneous assumptions gave an erroneous impression
2 archaic : wandering

Other Words from erroneous

erroneously adverb
erroneousness noun

How to Define Erroneous

Erroneous basically means "containing errors", and, since most of us are constantly suffering from mistaken notions, the word is often used in front of words such as "assumption" and "idea". It's also used to describe the kind of mistaken information that can lead to erroneous theories, erroneous conclusions, and erroneous decisions.

Examples of erroneous in a Sentence

When you're done, the programs scour your return for potential problems and erroneous data and let you correct them. Then, poof! Either print out your 1040 and related documents or follow the software prompts to file electronically. — Kathy Yakal, PC Magazine, 9 Mar. 1999 Here we come face-to-face with the uncompromising rules of golf as Mr. Dobereiner recounts how Roberto de Vincenzo lost the 1968 Masters Tournament by a single stroke because he signed an erroneous scorecard. — Robert R. Harris, New York Times Book Review, 21 Oct. 1984 To say truth, nothing is more erroneous than the common observation, that men who are ill-natured and quarrelsome when they are drunk, are very worthy persons when they are sober: for drink, in reality, doth not reverse nature, or create passions in men which did not exist in them before. — Henry Fielding, Tom Jones, 1749 a news article about the new virus that was filled with much erroneous information
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Recent Examples on the Web Police had been responding to a call about an assault and at least one erroneous report about an active shooter. Los Angeles Times, 10 Jan. 2022 An erroneous report of a shooting inside an movie theater in the Westfield Plaza Bonita mall Saturday night triggered a panic that emptied the theater in a rush, injured several moviegoers, and brought dozens of police to the mall. Greg Moran, San Diego Union-Tribune, 18 Dec. 2021 The lawsuit alleges that Hunzeker and Ottoman violated city policy and state law by leaking an erroneous report that Hardesty had been involved in a hit-and-run to right-wing media and The Oregonian/OregonLive. oregonlive, 13 Dec. 2021 Before allowing the Max to fly again, the F.A.A. required that Boeing update MCAS to avoid erroneous activation and update display software to alert pilots when data related to the plane’s angle from sensors conflicts, among other changes. New York Times, 14 Oct. 2021 Other Revlon creditors also received erroneous payments adding up to $900 million. Eoin Mcsweeney, CNN, 18 Aug. 2020 Sadly, when carefully reviewed by patients, many records are discovered to be full of erroneous information and incorrect diagnoses. WSJ, 12 Nov. 2021 Issue 24 would require the police chief and the public safety director to comply with the board’s order in the absence of clear and convincing evidence that the board’s findings are erroneous. Robert Higgs, cleveland, 2 Nov. 2021 Those rules were based on an erroneous account of what happened during the 2008 financial crisis, and a flawed view of financial markets. Norbert Michel, Forbes, 5 Nov. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'erroneous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of erroneous

15th century, in the meaning defined at sense 1

History and Etymology for erroneous

Middle English, from Latin erroneus, from erron-, erro wanderer, from errare — see err

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Time Traveler for erroneous

Time Traveler

The first known use of erroneous was in the 15th century

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Dictionary Entries Near erroneous

Er Rif


err on the side of

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Statistics for erroneous

Last Updated

14 Jan 2022

Cite this Entry

“Erroneous.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2022.

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More Definitions for erroneous


er·​ro·​ne·​ous | \ i-ˈrō-nē-əs How to pronounce erroneous (audio) \

Kids Definition of erroneous


er·​ro·​ne·​ous | \ i-ˈrō-nē-əs, e- How to pronounce erroneous (audio) \

Legal Definition of erroneous

: containing or characterized by error — see also clearly erroneous

Other Words from erroneous

erroneously adverb
erroneousness noun

More from Merriam-Webster on erroneous

Nglish: Translation of erroneous for Spanish Speakers

Britannica English: Translation of erroneous for Arabic Speakers


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