accidentally

adverb

ac·​ci·​dent·​al·​ly ˌak-sə-ˈdent-lē How to pronounce accidentally (audio) -ˈden-tᵊl-ē How to pronounce accidentally (audio)
: 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.
Also, does Smitty realize that accidentally bumping into someone would have cracked one of the deadly vials taped to her stomach? Vlada Gelman, TVLine, 7 Feb. 2025 The soon-to-be bride and groom are still confused on whether or not they accidentally got married. Ashlyn Robinette, People.com, 7 Feb. 2025 Glimpse at a study taken offline A technical glitch resulted in a table from one of the bird flu studies accidentally being published on Thursday, before officials scrambled to take it down. Alexander Tin, CBS News, 7 Feb. 2025 Jeff Daniels recently reflected on filming Dumb and Dumber with Jim Carrey, who played Lloyd in the comedy, and zeroed in on one of the most memorable scenes: the sequence in which his empty-headed Harry Dunne fights for his life on the toilet after accidentally drinking a whole lotta laxatives. Wesley Stenzel, EW.com, 7 Feb. 2025 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

Dictionary Entries Near accidentally

Cite this Entry

“Accidentally.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accidentally. Accessed 12 Feb. 2025.

Last Updated: - Updated example sentences
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