by mistake

idiom

: because of a mistake : without intending to
I got on the wrong train by mistake.

Examples of by mistake in a Sentence

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But a wildlife officer shooting from a helicopter mistook one of the juveniles for an adult, shooting and killing it by mistake. Sharon Bernstein, Sacbee.com, 6 Feb. 2026 Once, after completing one routine, Goebel nearly skated into the Zamboni tunnel by mistake. Sally Jenkins, The Atlantic, 1 Feb. 2026 Immigration officers have already detained lawful permanent residents and citizens by mistake. Binaifer Nowrojee, Time, 30 Jan. 2026 Now, House Republicans are saying the resolution was adopted by mistake and won't automatically go forward. Hayleigh Colombo, IndyStar, 30 Jan. 2026 See All Example Sentences for by mistake

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“By mistake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20mistake. Accessed 11 Feb. 2026.

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