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Definitions

erroneously

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


ADVERB
mistakenly
Synonyms


ADVERB
unjustifiably
Synonyms
Antonyms
WEAK
excusably justifiably




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.

Johnson, he added, gets blamed for tampering with Social Security, with many people erroneously believing the president dipped into the program’s coffers.

From MarketWatch • May 2, 2026

“It just can’t be that they’re going to refuse to return someone who was erroneously deported.”

From Los Angeles Times • Apr. 30, 2026

AI detectors, for example, have a tendency to erroneously flag essays written by speakers of English as a second language, a 2023 Stanford analysis External link found.

From Barron's • Apr. 14, 2026

But a person may also test positive for amyloid and be erroneously diagnosed with Alzheimer’s disease.

From The Wall Street Journal • Feb. 10, 2026

Reports from abroad asserted, erroneously, that Jack the Ripper had returned.

From "The Devil in the White City" by Erik Larson




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