by mistake

1. Erroneously, as in He took my coat by mistake. [c. 1700]

Example Sentences

Accounts that were flagged by mistake could verify their age using a "video selfie" or by providing government-issued ID.

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“Where is—” She almost said Simon by mistake.

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But then she remembered how she had signed for the flowers and chocolates by mistake.

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So is “Why, it seems I’ve taken your saddle by mistake, Miss Pevington; how could I be such a dunce?”

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A total of 91 prisoners were freed by mistake between April and October this year, according to new government figures.

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Related Words

• unintentionally 
• unwittingly