as in incorrectly
in a mistaken or inappropriate way
we mistakenly thought that this was our conference room
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Recent Examples of mistakenly
The Libyan governmental body also mistakenly reported that the tanker had sunk.
—
ABC News, 24 Mar. 2026
Abrego Garcia, a Salvadoran national who had been living in Maryland with his family, was mistakenly deported to El Salvador in March 2025.
—Emily Mae Czachor, CBS News, 22 Mar. 2026
Kilmer’s family signed off on the project, which Voorhees mistakenly interpreted as giving him the green light.
—Leonard Greene, New York Daily News, 21 Mar. 2026
One team member mistakenly purchased a rectangular sandwich loaf at one bakery.
—Mario Cortez, San Francisco Chronicle, 19 Mar. 2026
Pilots have mistakenly taxied into the wrong taxiway.
—Noe Padilla, USA Today, 18 Mar. 2026
Some mistakenly argue that accelerating coverage for breakthroughs could lead to significant increases in health care costs.
—Josh Makower, STAT, 16 Mar. 2026
Last week, three American fighter jets were mistakenly downed by friendly Kuwaiti fire.
—Arkansas Online, 14 Mar. 2026
Last week, three American fighter jets were mistakenly downed by friendly Kuwaiti fire.
—Jon Gambrell, Chicago Tribune, 13 Mar. 2026
ABC News, 24 Mar. 2026
Abrego Garcia, a Salvadoran national who had been living in Maryland with his family, was mistakenly deported to El Salvador in March 2025.
—Emily Mae Czachor, CBS News, 22 Mar. 2026
Kilmer’s family signed off on the project, which Voorhees mistakenly interpreted as giving him the green light.
—Leonard Greene, New York Daily News, 21 Mar. 2026
One team member mistakenly purchased a rectangular sandwich loaf at one bakery.
—Mario Cortez, San Francisco Chronicle, 19 Mar. 2026
Pilots have mistakenly taxied into the wrong taxiway.
—Noe Padilla, USA Today, 18 Mar. 2026
Some mistakenly argue that accelerating coverage for breakthroughs could lead to significant increases in health care costs.
—Josh Makower, STAT, 16 Mar. 2026
Last week, three American fighter jets were mistakenly downed by friendly Kuwaiti fire.
—Arkansas Online, 14 Mar. 2026
Last week, three American fighter jets were mistakenly downed by friendly Kuwaiti fire.
—Jon Gambrell, Chicago Tribune, 13 Mar. 2026
Recent Examples of Synonyms for mistakenly
Adverb
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The sink valves were incorrectly connected, causing continuous pressure and risk of cross-contamination between the chemical dispenser and potable water.—
Paige Moore,
AZCentral.com,
26 Mar. 2026
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Calculus relies on the notions of infinity and infinitely small quantities (called infinitesimals), but Newton and Leibniz defined these concepts in vague geometric terms; used incorrectly, their formulas could lead to nonsensical calculations, like division by zero.—
Leila Sloman,
Quanta Magazine,
25 Mar. 2026
Adverb
-
Energy Secretary Chris Wright erroneously posted — and then deleted — a message that the US Navy had escorted an oil tanker through the strait near Iran, only for the White House to concede no operation had occurred.—
Bloomberg,
Mercury News,
11 Mar. 2026
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Hundreds of millions of dollars were erroneously wired across the state, apparently due to a subtle technical error.—
Jake Goodrick,
Sacbee.com,
11 Mar. 2026
Cite this Entry
“Mistakenly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mistakenly. Accessed 30 Mar. 2026.
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