erroneous

[ih-roh-nee-uhs, e-roh-]

adjective

1. containing error; mistaken; incorrect; wrong.

   an erroneous answer.

   Synonyms: false, untrue, inaccurate
   Antonyms: accurate

2. straying from what is moral, decent, proper, etc.

erroneous

/ ɪˈrəʊnɪəs /

adjective

1. based on or containing error; mistaken; incorrect

Other Word Forms

• erroneously adverb
• erroneousness noun
• nonerroneous adjective
• nonerroneousness noun

Word History and Origins

Origin of erroneous¹

First recorded in 1350–1400; Middle English, from Latin errōneus “straying,” equivalent to errōn- (stem of errō ) “wanderer” (derivative of err-; err ) + -eus adjective suffix ( -eous )

Word History and Origins

Origin of erroneous¹

C14: (in the sense: deviating from what is right), from Latin errōneus, from errāre to wander

Example Sentences

Other insurers may follow, for fear that erroneous price quotes or medical diagnoses from a generative AI model could lead to thousands of claims.

Read more on Barron's

“I have never seen a judgment, an opinion so erroneous in his writing,” he added on Fox News on Thursday.

Read more on Salon

Regarding the press statement, the attorney general said he was simply correcting the erroneous reports.

Read more on BBC

"Furthermore, the erroneous ruling by the corporate court, spearheaded by the Dutch Ministry of Economic Affairs, to strip Wingtech of its control over Nexperia remains a key obstacle to resolving the issue," it added.

Read more on BBC

The Journal’s analysis showed that, in some states, the networks appeared to contain erroneous listings, such as psychologists, who don’t hold medical-school degrees, being listed as psychiatric doctors.

Read more on The Wall Street Journal

Related Words

• false 
• faulty 
• flawed 
• inaccurate 
• invalid 
• misguided 
• mistaken 
• specious 
• spurious 
• unfounded 
• unsound 
• untrue