manslaughter

noun

man·​slaugh·​ter ˈman-ˌslȯ-tər How to pronounce manslaughter (audio)
Synonyms of manslaughternext
: 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.
Yarimi, 33, who’s serving a three-to-nine year sentence for manslaughter, is being sued by her victims’ family. John Annese, New York Daily News, 21 Apr. 2026 Nicholas Joseph Gutierrez, 25, of Diamond Bar, pleaded guilty to one felony count of vehicular manslaughter with gross negligence and nine felony counts of reckless driving causing injury, the Los Angeles County District Attorney's Office said. Dean Fioresi, CBS News, 21 Apr. 2026 In a separate fatal shooting in Benbrook on Friday, April 17, an elementary assistant school principal was killed, and a man faces a manslaughter charge, according to police. Shambhavi Rimal, Fort Worth Star-Telegram, 21 Apr. 2026 The jury voted to acquit Peairs of manslaughter. Nikhil Krishnan, New Yorker, 20 Apr. 2026 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 23 Apr. 2026.

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.

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