accidentally · adverb /ˌæk.sɪˈden.təl.i/Full view
Nouns: accident
Adjectives: accidental
Adverbs: accidentally
accidentally
B1 by chance or by mistake
Dictionary example:

She accidentally knocked over a glass of water.

Learner example:

I accidentally broke one of your vases - the most beautiful one. (First Certificate in English; B2; Chinese)

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