Synonyms of accidentallynext
: in an accidental or unintended manner : by accident
I accidentally deleted the file.
The lock prevents the gate from opening accidentally.
Six lionfish were accidentally released from a home aquarium in Biscayne Bay, Fla., during Hurricane Andrew in 1992.—Alcestis Cooky Oberg
The Olympic test was thrown out after the test lab accidentally destroyed the backup sample … that's required to confirm a positive result.—Christie Aschwanden
He bumped into her accidentally on purpose. [=he bumped into her intentionally but he tried to make it appear to be an accident]

Examples of accidentally in a Sentence

Recent Examples on the Web
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.
Hill yelled at Vikings linebacker Eric Wilson after Wilson was accidentally knocked into him during Minnesota's game against Miami. — Dan Zaksheske Outkick, FOXNews.com, 18 Oct. 2026 With the audience already erupting in laughter, Magliano dug in her heels, poking fun at the United States’ strict broadcasting rules after Gillis accidentally dropped the F-bomb during a sketch. — Glenn Garner, Deadline, 18 Oct. 2026 That’s when a model accidentally gets rewarded during training for taking actions that the developers did not really want the model to take. — Beatrice Nolan, Fortune, 16 Oct. 2026 But those meds often include extra unnecessary ingredients that can sometimes put you at risk of accidentally overmedicating yourself, says Reed. — Andee Tagle, NPR, 15 Oct. 2026 See All Example Sentences for accidentally

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of accidentally was in the 14th century

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Cite this Entry

“Accidentally.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accidentally. Accessed 20 Oct. 2026.

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