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 In Arapahoe County, approximately 262,000 Arapahoe County voters received ballots that erroneously included Issue 7A, Clerk Joan Lopez said in a statement. — Noelle Phillips, Denver Post, 7 Oct. 2026 Later, campus administration clarified that their initial communication had been sent erroneously and the funds were being held temporarily for review. — Tarini Mehta, Sacbee.com, 3 Oct. 2026 Work to address the track-circuit issue — in which the signal system erroneously reports a train occupying a section of track — was underway. — Evan Simko-Bednarski, New York Daily News, 1 Oct. 2026 The officer was responding to a mental health crisis call, involving what was erroneously reported as fireworks but turned out to be gunfire, authorities said. — Nate Gartrell, Mercury News, 4 Sep. 2026 The certification for this device was granted erroneously and has been set aside by the FCC and removed from our public database. — Jim Fisher, PC Magazine, 22 Aug. 2026 The Internal Revenue Service decided many nonprofit NIL collectives were erroneously given charitable status. — James Pollard, Fortune, 21 Aug. 2026 News Channel 5 similarly reported that she was erroneously given potassium in place of numbing medication. — Bailey Richards, PEOPLE, 19 Aug. 2026 States are also setting up systems that may not adequately track pregnant and postpartum enrollees who should be exempt from the law’s new work requirements, erroneously dropping them from coverage, Burak’s report said. — Andrew Jones, CNN Money, 17 Aug. 2026

Recent Examples of Synonyms for erroneously

Adverb

At that point, the group had botched its first two votes, mistakenly banishing two female faithfuls.

— Lisa Gutierrez, Kansas City Star, 12 Oct. 2026
The Salvadoran national's case became a focal point in the immigration debate after he was mistakenly deported to his home country last year.

— Arkansas Online, Arkansas Online, 7 Oct. 2026

Definition of mistakenly

Adverb

Cybersecurity protects systems against unauthorized access and manipulation, while functional safety protects people, equipment and the environment when systems fail or behave incorrectly.

— Gregory Shahnovsky, Forbes.com, 13 Oct. 2026
Davis incorrectly assumed the agreement protected him from speaking publicly about Shakur’s murder.

— Kiana Mickles, Pitchfork, 13 Oct. 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 20 Oct. 2026.

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Synonyms of erroneously

adverb

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