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involuntary manslaughter

noun

: manslaughter resulting from the failure to perform a legal duty expressly required to safeguard human life, from the commission of an unlawful act not constituting a felony, or from the commission of a lawful act in a negligent or improper manner

Examples of involuntary manslaughter in a Sentence

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.
The jury had been allowed to consider the lesser offense of involuntary manslaughter but settled on second-degree murder, which under the law requires that the defendant had malice before the killing. Teri Figueroa, San Diego Union-Tribune, 3 Dec. 2025 Nessel charged Peterson, 59, of Brighton, along with its safety director Jeffrey Mosteller, 65, of Clinton Township, and its operations director Gary Marken, 66, of Spring Arbor, with second-degree murder and involuntary manslaughter in Thomas' death. Kristen Jordan Shamus, Freep.com, 2 Dec. 2025 She was originally charged in 2023 with two counts of felony involuntary manslaughter and three counts of felony elder abuse. Caelyn Pender, Mercury News, 25 Nov. 2025 Pete Skandalakis, the executive director of the Prosecuting Attorneys' Council, said Friday that Kelley would have to decide whether to seek a third trial of Copeland and Howell on the involuntary manslaughter and reckless conduct charges. CBS News, 21 Nov. 2025 See All Example Sentences for involuntary manslaughter

Word History

First Known Use

1792, in the meaning defined above

Time Traveler
The first known use of involuntary manslaughter was in 1792

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Cite this Entry

“Involuntary manslaughter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/involuntary%20manslaughter. Accessed 6 Dec. 2025.

Legal Definition

involuntary manslaughter

see manslaughter

Last Updated: - Updated example sentences
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