manslaughter

noun

man·​slaugh·​ter ˈman-ˌslȯ-tər How to pronounce manslaughter (audio)
: the unlawful killing of a human being without express or implied malice

Examples of manslaughter in a Sentence

She was convicted of manslaughter for driving while drunk and killing three people.
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 suspect, who investigators did not identify, is expected to be arrested on suspicion of vehicular manslaughter and two allegations of driving under the influence, Price said. Caleb Lunetta, San Diego Union-Tribune, 30 June 2025 Jarred Logan, 30, was charged with felony vehicular manslaughter and two infractions: a railroad crossing violation, and driving without a license. Nate Gartrell, Mercury News, 27 June 2025 After two trials on her case, Read was found not guilty of second-degree murder, manslaughter, and leaving the scene of O’Keefe’s death. Matt Grobar, Deadline, 27 June 2025 On June 18, a jury found Karen Read not guilty of second-degree murder and manslaughter charges Wednesday in the 2022 death of her Boston police officer boyfriend, John O’Keefe. Etan Vlessing, HollywoodReporter, 27 June 2025 See All Example Sentences for manslaughter

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of manslaughter was in the 14th century

Browse Nearby Words

Cite this Entry

“Manslaughter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/manslaughter. Accessed 4 Jul. 2025.

Kids Definition

manslaughter

noun
man·​slaugh·​ter ˈman-ˌslȯt-ər How to pronounce manslaughter (audio)
: the unlawful killing of a person without the intention to do so

Medical Definition

manslaughter

noun
man·​slaugh·​ter ˈman-ˌslȯt-ər How to pronounce manslaughter (audio)
: the slaying of a human being
specifically : the unlawful killing of a human being without express or implied malice

Legal Definition

manslaughter

noun
man·​slaugh·​ter ˈman-ˌslȯ-tər How to pronounce manslaughter (audio)
: the unlawful killing of a human being without malice compare homicide, murder
involuntary manslaughter
: manslaughter resulting from the failure to perform a legal duty expressly required to safeguard human life, from the commission of an unlawful act not amounting to a felony, or from the commission of a lawful act involving a risk of injury or death that is done in an unlawful, reckless, or grossly negligent manner see also reckless homicide at homicide

Note: The exact formulation of the elements of involuntary manslaughter vary from state to state especially with regard to the level of negligence required. In states that grade manslaughter by degrees, involuntary manslaughter is usually graded as a second- or third-degree offense.

misdemeanor-manslaughter
: involuntary manslaughter occurring during the commission of a misdemeanor compare felony murder at murder
voluntary manslaughter
: manslaughter resulting from an intentional act done without malice or premeditation and while in the heat of passion or on sudden provocation

Note: In states that grade manslaughter by degrees, voluntary manslaughter is usually a first-degree offense.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!