ac·​ci·​dent·​al·​ly | \ ˌak-sə-ˈdent-lē , -ˈden-tᵊl-ē\

Definition of accidentally

: 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]

First Known Use of accidentally

14th century, in the meaning defined above

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Last Updated

14 Jan 2019

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Time Traveler for accidentally

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

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More from Merriam-Webster on accidentally

Spanish Central: Translation of accidentally

Nglish: Translation of accidentally for Spanish Speakers

Britannica English: Translation of accidentally for Arabic Speakers

Comments on accidentally

What made you want to look up accidentally? Please tell us where you read or heard it (including the quote, if possible).


to deny responsibility for

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