Synonyms of erroneous

erroneous

adjective

i-ˈrō-nē-əs 

as in inaccurate

not being in agreement with what is true

a poorly researched news article about the new virus that was filled with much erroneous information

Synonyms & Similar Words

• inaccurate
• incorrect
• wrong
• false
• misleading
• invalid
• untrue
• distorted
• untruthful
• inexact
• unsound
• off
• deceptive
• off base
• fraudulent
• spurious
• specious
• fictitious
• fallacious
• illusory
• counterfactual
• delusive
• mendacious
• deceitful
• dishonest
• delusory
• invented
• unproven
• awry
• unconfirmed
• lying
• amiss
• untested
• askew
• fabricated
• made-up
• trumped-up

Antonyms & Near Antonyms

• correct
• accurate
• proper
• true
• valid
• right
• factual
• exact
• precise
• sound
• confirmed
• demonstrated
• established
• errorless
• veracious
• perfect
• tested
• proven
• impeccable
• flawless
• faultless
• letter-perfect

Example Sentences

Recent Examples of erroneous

The source said the Post’s report that such a conversation had been arranged was erroneous. — Amber Harding Outkick, FOXNews.com, 3 Aug. 2026

Reports based on the erroneous California Crash Reporting System entry surfaced Monday night, prompting Shanahan to address the crash Tuesday. — Cam Inman, Mercury News, 28 July 2026

However, the vast majority of these folks did not actually vote, and many asked for their erroneous registrations to be purged, contrary to the Republican fantasy that millions of noncitizens are all gunning to illegally vote. — New York Daily News Editorial Board, New York Daily News, 26 July 2026

Millions of ballots have been cast in New Jersey elections since the erroneous registrations were made and there is no indication that any outcome would have been different. — Catherine Bouvet, ABC News, 24 July 2026