ERRONEOUSLY Synonyms: 47 Similar and Opposite Words

erroneously

adverb

as in mistakenly

in a mistaken or inappropriate way people erroneously believed that the disease was contagious

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of erroneously Jennifer Ruffcorn, spokesperson for Texas Health and Human Services, confirmed that Livingston was erroneously enrolled in Healthy Texas Women. — Rachana Pradhan, NPR, 20 July 2026 Knappman — the man who reached out to Baldwin last year to fine Anna’s grave — said his grandmother, Maude, erroneously told him that her parents died in a fire in Baltimore. — John Moritz, Hartford Courant, 20 July 2026 That means even if a ballot is erroneously sent to someone’s past address and the current resident mails it in, there are checks to alert election workers to the foul play. — Ali Swenson, Chicago Tribune, 18 July 2026 But hours later, McMahon, a Republican, erroneously signed the wrong document and sent it to the county legislature. — Rachel Raposas, PEOPLE, 17 July 2026 If an Entry is confirmed to have been erroneously deleted, lost, or destroyed, entrant’s sole remedy shall be another entry into the Sweepstakes. — AJC.com, 13 July 2026 That’s the word that NPR Editor in Chief Thomas Evans used to describe why, today, the outlet erroneously published a report by the veteran Supreme Court reporter Nina Totenberg that Justice Samuel Alito had retired. — Charlie Warzel, The Atlantic, 30 June 2026 Verstappen's crash at the final pair of corners brought out yellow flags, which Mercedes' Kimi Antonelli erroneously thought were double-waved yellow flags and aborted his lap. — Matt Reigle Outkick, FOXNews.com, 27 June 2026 Panizo’s post erroneously that the battle was against Croatia, a mistake the local podcaster later rectified. — Madeleine Marr, Miami Herald, 25 June 2026

Recent Examples of Synonyms for erroneously

Adverb

Many brands mistakenly prioritize persuasive messaging without first earning customer consideration.

— Sonia Thompson, Forbes.com, 31 July 2026
In fact, the testing partner Irregular mistakenly made such access available.

— Dan Goodin, ArsTechnica, 31 July 2026

Definition of mistakenly

Adverb

Reuters — The US Federal Aviation Administration said on Monday that seats on hundreds of Boeing 737 MAX jets registered in the US were incorrectly installed and need to be fixed.

— CNN Money, CNN Money, 28 July 2026
Senior engineering judgment—the ability to spot a bad architecture, understand why a system will fail under load, know when a business rule has been encoded incorrectly—has always been built through years of junior-level struggle.

— Vaibhav Gujral, Forbes.com, 28 July 2026

Definition of incorrectly

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erroneous

erroneously

erroneousness

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“Erroneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/erroneously. Accessed 6 Aug. 2026.

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Synonyms of erroneously

adverb

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