mistrial

noun

mis·​tri·​al ˈmis-ˌtrī(-ə)l How to pronounce mistrial (audio)
: a trial that has no legal effect with regard to one or more of the charges brought against the defendant because of some serious error or prejudicial misconduct in the proceedings or a hung jury

Examples of mistrial in a Sentence

The judge declared a mistrial.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
After a hung jury led to a mistrial at her first trial, Read was acquitted of all charges except operating under the influence during the retrial. Matt Schooley, CBS News, 4 June 2026 After the jury was dismissed on Monday, Left’s lawyer asked for a mistrial, citing an unusual clerical error that resulted in the jury filling out an outdated version of the verdict form. Bloomberg, Mercury News, 2 June 2026 His first trial ended in a mistrial in June 2025. Meredith Kile, PEOPLE, 29 May 2026 Just last year, a Sacramento jury sentenced a man who shot and killed Sacramento police officer Tara O’Sullivan to die after two lengthy sentencing trials, including one that ended in a mistrial. Sharon Bernstein, Sacbee.com, 28 May 2026 See All Example Sentences for mistrial

Word History

First Known Use

1628, in the meaning defined above

Time Traveler
The first known use of mistrial was in 1628

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Cite this Entry

“Mistrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mistrial. Accessed 8 Jun. 2026.

Kids Definition

mistrial

noun
mis·​tri·​al ˈmis-ˌtrī(-ə)l How to pronounce mistrial (audio)
: a trial that is cancelled because of an error in the proceedings

Legal Definition

mistrial

noun
mis·​tri·​al ˈmis-ˌtrī-əl How to pronounce mistrial (audio)
: a trial that terminates without a verdict because of error, necessity, prejudicial misconduct, or a hung jury see also manifest necessity compare dismissal sense 2, trial de novo

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