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Synonyms

erroneously

American  
[ih-roh-nee-uhs-lee, e-roh-] / ɪˈroʊ ni əs li, ɛˈroʊ- /

adverb

  1. incorrectly; wrongly.

    For years I recorded my birth date erroneously as July 1, until I discovered from my father’s diary that it was actually July 30.

  2. by mistake; unintentionally.

    I just posted these comments again because they were erroneously wiped out the first time due to a technical issue.


Other Word Forms

  • nonerroneously adverb

Etymology

Origin of erroneously

erroneous ( def. ) + -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He has excoriated federal officials for erroneously linking vaccines to autism, warning that the administration is endangering the lives of infants and young children in scaling back childhood vaccine recommendations.

From Los Angeles Times • Mar. 9, 2026

In court, Homeland Security Investigator Robert Kurtz admitted he erroneously listed the address published by the protester account as Huitzilin’s in multiple reports and affidavits.

From Los Angeles Times • Feb. 27, 2026

The nation's first Games gold in 18 years had been won by what was dismissively - and erroneously - described at the time as a group of Scottish housewives in an odd little sport.

From BBC • Feb. 18, 2026

In 2021, the now-bankrupt crypto lender BlockFi erroneously sent hundreds of bitcoins to some users, though it later recouped much of the funds.

From The Wall Street Journal • Feb. 10, 2026

Several magazines and newspapers have erroneously reported that I was a correspondent for Outside Online.

From "Into Thin Air" by Jon Krakauer