as in incorrectly
in a mistaken or inappropriate way
we mistakenly thought that this was our conference room
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
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 mistakenly
Investigators believe the helicopter pilots mistakenly thought the American Airlines jet was one of several other planes lining up to land on Runway 1, and did not have an accurate understanding of its flight path.
—
Joel Rose, NPR, 27 Jan. 2026
YouTubers have criticized the platform’s approach to AI moderation, with several large creators claiming to have mistakenly been demonetized and banned, their channels only reinstated after public outcry.
—Dani Di Placido, Forbes.com, 23 Jan. 2026
In August 2023, a mother driving with her teenage son and young daughter reported that Kirchberg pulled her over for a minor traffic violation and tightly handcuffed her after a license plan scan mistakenly indicated the vehicle was stolen.
—Austin Sanders, Austin American Statesman, 23 Jan. 2026
However, Skipper was adamant that the referee mistakenly listed him as eligible, not Decker, resulting in the Lions losing 20-19 to the Cowboys.
—Dejanay Booth-Singleton, CBS News, 22 Jan. 2026
So, what if your card is mistakenly declined by an AI system?
—Murugan Anandarajan, The Conversation, 22 Jan. 2026
The parents allege the clinic implanted Jane Doe with an embryo belonging to someone else —raising the possibility that their own embryos may have been mistakenly implanted in another patient, who may now be raising, or about to raise, their biological child.
—Skyler Shepard, Sun Sentinel, 21 Jan. 2026
While pulled from the broadcast in December, Alfonsi’s original story mistakenly became available online.
—David Bauder, Chicago Tribune, 19 Jan. 2026
Alicent mistakenly believed Viserys was talking about their son Aegon II, saying Aegon II should be on the throne after Viserys dies, which lead to the Dance of the Dragons civil war.
—Skyler Trepel, PEOPLE, 19 Jan. 2026
Joel Rose, NPR, 27 Jan. 2026
YouTubers have criticized the platform’s approach to AI moderation, with several large creators claiming to have mistakenly been demonetized and banned, their channels only reinstated after public outcry.
—Dani Di Placido, Forbes.com, 23 Jan. 2026
In August 2023, a mother driving with her teenage son and young daughter reported that Kirchberg pulled her over for a minor traffic violation and tightly handcuffed her after a license plan scan mistakenly indicated the vehicle was stolen.
—Austin Sanders, Austin American Statesman, 23 Jan. 2026
However, Skipper was adamant that the referee mistakenly listed him as eligible, not Decker, resulting in the Lions losing 20-19 to the Cowboys.
—Dejanay Booth-Singleton, CBS News, 22 Jan. 2026
So, what if your card is mistakenly declined by an AI system?
—Murugan Anandarajan, The Conversation, 22 Jan. 2026
The parents allege the clinic implanted Jane Doe with an embryo belonging to someone else —raising the possibility that their own embryos may have been mistakenly implanted in another patient, who may now be raising, or about to raise, their biological child.
—Skyler Shepard, Sun Sentinel, 21 Jan. 2026
While pulled from the broadcast in December, Alfonsi’s original story mistakenly became available online.
—David Bauder, Chicago Tribune, 19 Jan. 2026
Alicent mistakenly believed Viserys was talking about their son Aegon II, saying Aegon II should be on the throne after Viserys dies, which lead to the Dance of the Dragons civil war.
—Skyler Trepel, PEOPLE, 19 Jan. 2026
Recent Examples of Synonyms for mistakenly
Adverb
-
But some predictions were off, like the supporting actress category, with neither Polymarket nor Kalshi predicting Oscar nominee Elle Fanning, while Polymarket bettors incorrectly projected Ariana Grande would get a nod,.—
Conor Murray,
Forbes.com,
22 Jan. 2026
-
The platform automatically adds guardrails to those accounts, and adults who were incorrectly flagged can lift those restrictions by submitting a photo for visual age verification.—
Rachyl Jones,
semafor.com,
21 Jan. 2026
Adverb
-
In 2009, Zagorac’s arrest record was expunged erroneously from the FBI National Crime Information Center computer, according to the Post-Tribune, after defense attorney Christopher Schmidgall filed a petition for the expungement.—
Olivia Stevens,
Chicago Tribune,
27 Jan. 2026
-
Providers need guidance and a process for recovering erroneously withheld amounts from the provider or the IRS.—
Carrie Brandon Elliot,
Forbes.com,
20 Jan. 2026
Cite this Entry
“Mistakenly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mistakenly. Accessed 29 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
