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

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

Two planes ended up on a collision course last month after an erroneous warning light slowed a takeoff and an air traffic controller got confused, according to a preliminary report from the National Transportation Safety Board. — Aaron Cooper, CNN Money, 23 July 2026

Mason highlights – with levity and humor – how erroneous ideas, gullibility, and blinders can lead even people who should know better down rabbit holes. — Monitor Reviewers, Christian Science Monitor, 23 July 2026

Vilified for superstitious or erroneous beliefs, many of these species did not actually compete with people for food or pose other significant dangers. — Elan Abrell, The Conversation, 22 July 2026