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homicide

American  
[hom-uh-sahyd, hoh-muh-] / ˈhɒm əˌsaɪd, ˈhoʊ mə- /

noun

  • homicides
    plural
  1. the killing of one human being by another.

  2. a person who kills another; murderer.


homicide British  
/ ˈhɒmɪˌsaɪd /

noun

  1. the killing of a human being by another person

  2. a person who kills another

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

homicide Cultural  
  1. The killing of one person by another, whether intended (murder) or not (manslaughter). Not all homicide is unlawful; killing in self-defense, for example, is not a crime.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of homicide

First recorded in 1325–75; Middle English, from Middle French, from Latin homicīdium “a killing,” homicīda “killer,” equivalent to homi- (combining form of homō “man”) + -cīdium, -cīda, noun suffix; see -cide

Explanation

The noun homicide means a murder. If you kill another person, you are committing a homicide. The level of the homicide is legally defined as murder if the act was intentional and as manslaughter if it was unintentional. Remember the meaning of homicide by remembering that cide, from the Latin cida, refers to killing, while the Latin homo means "man.” So homicide means “killing a man.” You can see another example in this quote from Oliver Wendell Holmes: “Life and language are alike sacred. Homicide and verbicide — that is, violent treatment of a word with fatal results to its legitimate meaning, which is its life — are alike forbidden.”

Keep Reading on Vocabulary.com

Vocabulary lists containing homicide

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The officers failed to class Carmenza's death as a murder and did not pass it to a homicide team for a fuller investigation, as happens with suspected homicides.

From BBC Aug. 7, 2026

Stivers had been reprimanded two months before Nancy’s kidnapping for delays securing crime-scene evidence in a homicide case, according to his personnel records.

From The Wall Street Journal Aug. 2, 2026

Madison Mayor Satya Rhodes-Conway said, “Our community deserves full transparency and accountability,” and the killing is being investigated as a homicide.

From Salon Jul. 30, 2026

By the time Blake went on trial, nearly a decade had passed since Simpson’s acquittal for double homicide, but for prosecutors and detectives, the humiliation was fresh.

From Los Angeles Times Jul. 30, 2026

And because the death penalty is rarely given for crimes other than homicide, its deterrent effect cannot account for a speck of decline in other violent crimes.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt

The data, per the department, helped officers recover 259 stolen vehicles, locate four missing persons, and aided the investigations of around nine of the city’s 28 homicides in 2025.

From Los Angeles Times Aug. 21, 2026

The officers failed to class Carmenza's death as a murder and did not pass it to a homicide team for a fuller investigation, as happens with suspected homicides.

From BBC Aug. 7, 2026

None of the agencies I contacted for this story replied to my inquiries about the status of the investigations—which, as with all unsolved homicides, officially remain open.

From Slate Jul. 7, 2026

By last year, Cali’s homicides were down to 1,107, according to Colombia’s medical examiner.

From The Wall Street Journal Jun. 18, 2026

“The medical examiner will determine if these were homicides, accidents, natural deaths—” “Natural?”

From "Confessions of a Murder Suspect" by James Patterson

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