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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.

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

Kelly went on to scold Poehler for a brief moment during the episode when Poehler erroneously thought Paltrow starred in the 2003 drama, “Cold Mountain,” saying that the mistake was “embarrassing and disrespectful.”

From Salon • Jan. 16, 2026

In addition, some residents in Rancho Palos Verdes reported erroneously receiving shelter-in-place alerts from the city of L.A.’s emergency alert system.

From Los Angeles Times • Nov. 25, 2025

The errant test was reminiscent of an alert that was erroneously sent to 10 million phones across L.A.

From Los Angeles Times • Nov. 11, 2025

Soon after, the study erroneously credited with the notion that listening to classical music, particularly the music of Mozart, made you more intelligent.

From "Music and the Child" by Natalie Sarrazin