adj · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ɪˈɹəʊni.əs/
Received-Pronunciation:/ɛˈɹəʊni.əs/
Southern-England:Recorded audio is listed in the source snapshot.
US:/ɛˈɹoʊ.ni.əs/
US:/ɪˈɹoʊni.əs/
Australian, New-Zealand:/əˈɹəʉni.əs/
Australian, New-Zealand:/eˈɹəʉni.əs/
Scotland:/ɪˈɾone.əs/
Scotland:/ɛˈɾone.əs/
Wales:/ɪˈɾoːni.əs/without the toe–tow merger
Wales:/ɛˈɾoːni.əs/without the toe–tow merger
CMU ARPABET:EH0 R OW1 N IY0 AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:ER0 OW1 N IY0 AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Containing an error; inaccurate.
Definition source: English Wiktionary via Wiktextract
Examples
His answer to the sum was erroneous.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Derived from an error.
Definition source: English Wiktionary via Wiktextract
Examples
His conclusion was erroneous, since it was based on a false assumption.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adj
Meaning 3
Mistaken.
Definition source: English Wiktionary via Wiktextract
Examples
Her choice at the line-up proved to be erroneous, as she had only seen the mugger for an instant.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adj
Meaning 4
Wandering; erratic.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
adj
Meaning 5
Deviating from the requirements of the law, but without a lack of legal authority, thus not illegal.
Definition source: English Wiktionary via Wiktextract
Topics: law
Examples
If, while having the power to act, one commits error in the exercise of that power, he acts erroneously.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
adjective satellite
Meaning 6
containing or characterized by error
Definition source: Princeton WordNet 3.0
Examples
erroneous conclusions
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From late Middle English erroneous, from Middle French erroneux, from Latin erroneus.
Across languages
Translations
40 source translations are retained for this English entry.
Bulgarian:
грешен
(grešen)
— containing an error; inaccurate
Bulgarian:
неправилен
(nepravilen)
— containing an error; inaccurate
Catalan:
erroni
— containing an error; inaccurate
Czech:
chybný
— containing an error; inaccurate
Danish:
fejlagtig
— containing an error; inaccurate
Esperanto:
erara
— containing an error; inaccurate
French:
erroné
— containing an error; inaccurate
Georgian:
მცდარი
(mcdari)
— containing an error; inaccurate
Georgian:
არასწორი
(arasc̣ori)
— containing an error; inaccurate
German:
unrichtig
— containing an error; inaccurate
German:
fehlerhaft
— containing an error; inaccurate
Gothic:
𐌰𐌹𐍂𐌶𐌴𐌹𐍃
(airzeis)
— containing an error; inaccurate
Greek:
λανθασμένος
(lanthasménos)
— containing an error; inaccurate
Greek:
εσφαλμένος
(esfalménos)
— containing an error; inaccurate
Ancient Greek:
ἁμαρτωλός
(hamartōlós)
— containing an error; inaccurate
Hindi:
अशुद्ध
(aśuddh)
— containing an error; inaccurate
Hindi:
त्रुटिपूर्ण
(truṭipūrṇ)
— containing an error; inaccurate
Hungarian:
téves
— containing an error; inaccurate
Italian:
erroneo
— containing an error; inaccurate
Latin:
erroneus
— containing an error; inaccurate
Latin:
falsus
— containing an error; inaccurate
Latvian:
nepareizs
— containing an error; inaccurate
Latvian:
kļūdains
— containing an error; inaccurate
Lithuanian:
klaidingas
— containing an error; inaccurate
Māori:
pākirakira
— containing an error; inaccurate
Māori:
kēā
— containing an error; inaccurate
Norwegian:
feilaktig
— containing an error; inaccurate
Polish:
błędny
— containing an error; inaccurate
Portuguese:
erróneo
— containing an error; inaccurate
Portuguese:
errôneo
— containing an error; inaccurate
Russian:
ло́жный
(lóžnyj)
— containing an error; inaccurate
Russian:
неве́рный
(nevérnyj)
— containing an error; inaccurate
Russian:
непра́вильный
(neprávilʹnyj)
— containing an error; inaccurate
Russian:
оши́бочный
(ošíbočnyj)
— containing an error; inaccurate
Serbo-Croatian:
по̀грешан
— containing an error; inaccurate
Serbo-Croatian:
pògrešan
— containing an error; inaccurate
Spanish:
erróneo
— containing an error; inaccurate
Swedish:
felaktig
— containing an error; inaccurate
Turkish:
hatalı
— containing an error; inaccurate
Ukrainian:
помилковий
(pomylkovyj)
— containing an error; inaccurate