erroneous

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erroneous

  • /ɪˈɹəʊni.əs/ UK
  • /ɛˈɹəʊni.əs/ UK
  • /ɛˈɹoʊ.ni.əs/ US
  • /ɪˈɹoʊni.əs/ US
  • /əˈɹəʉni.əs/ Australia, New Zealand
  • /eˈɹəʉni.əs/ Australia, New Zealand
  • /ɪˈɾone.əs/ Scotland
  • /ɛˈɾone.əs/ Scotland
  • /ɪˈɾoːni.əs/ Wales
  • /ɛˈɾoːni.əs/ Wales

Where it comes from

From late Middle English erroneous, from Middle French erroneux, from Latin erroneus.

adjective more erroneous · most erroneous

  1. Containing an error; inaccurate. His answer to the sum was erroneous.

    Similar: inaccurate, incorrect, wrong

  2. Derived from an error. His conclusion was erroneous, since it was based on a false assumption.

    Similar: fallacious, false, faulty, flawed

  3. Mistaken. Her choice at the line-up proved to be erroneous, as she had only seen the mugger for an instant.

    Similar: mistaken, wrong

  4. obsolete Wandering; erratic.
  5. Deviating from the requirements of the law, but without a lack of legal authority, thus not illegal. If, while having the power to act, one commits error in the exercise of that power, he acts erroneously.

Similar: errorful · Opposite: errorless

Thesaurus

Closest in meaning: inaccurate, incorrect, wrong, error, misconceived, mistake, mistaken, wrongful, misguided, false, defective, faulty, improper, inappropriate, unsuitable, flawed

adjective

Similar: errorful · Opposite: errorless

Translations

Every language

adj containing an error; inaccurate

Españolerróneo
हिन्दीअशुद्ध aśuddh, त्रुटिपूर्ण truṭipūrṇ
Portuguêserróneo, errôneo
Françaiserroné
Deutschunrichtig, fehlerhaft
Italianoerroneo
Ελληνικάλανθασμένος lanthasménos, εσφαλμένος esfalménos
Русскийло́жный lóžnyj, неве́рный nevérnyj, непра́вильный neprávilʹnyj, оши́бочный ošíbočnyj

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MLA

"erroneous." Wiktionary, via Micwyn, micwyn.com/word/erroneous. Accessed 6 Nov. 2026.

APA

erroneous. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/erroneous

Chicago

"erroneous." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/erroneous.

BibTeX
@misc{erroneous_2026,
  title = {erroneous},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/erroneous},
  urldate = {2026-11-06}
}