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Showing results for by mistake. Search instead for costly mistake.
Synonyms

by mistake

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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One note: That second newsletter labeled CEO Brief yesterday morning was sent by mistake.

From The Wall Street Journal ● Oct. 15, 2026

The Maryland man deported last year by mistake already had his federal indictment on human smuggling charges dismissed over vindictive prosecution, but now, the Justice Department is demanding the indictment be brought back.

From Slate ● Aug. 23, 2026

Brittan said she had previously been offered compensation for another data breach by the Met, after they disclosed sensitive information about her first police interview by mistake to two people in Australia.

From BBC ● Aug. 15, 2026

Based on the true story of a reform school where Black boys went missing, the novel pairs the stories of two teens, one a troublemaker and the other caught up by mistake.

From Los Angeles Times ● Jul. 20, 2026

It was bad enough, she said, to find a snake in the pencil sharpener, but then she almost sharpened it by mistake.

From "The Best School Year Ever" by Barbara Robinson

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