homicide

noun

ho·​mi·​cide ˈhä-mə-ˌsīd  ˈhō- 

1

: a person who kills another

2

: a killing of one human being by another

detectives investigating a homicide

Synonyms

• blood
• foul play
• murder
• rubout
• slaying

Examples of homicide in a Sentence

The number of homicides increased last year.

He has been arrested for homicide.

Recent Examples on the Web

The sisters of a Northern California mother of four are seeking answers after her disappearance was recently ruled a homicide. —Sarah Rumpf-Whitten, FOXNews.com, 7 Apr. 2025

The homicide investigation is the 24th of the year investigated by Oakland police. —Rick Hurd, Mercury News, 4 Apr. 2025

While Chicago experienced 59 domestic-violence homicides in 2023, New York had 23 and Harris County had 38. —The Editorial Board, Chicago Tribune, 2 Apr. 2025

And in a matter of a few years, the city has witnessed two straight years of declining homicides, with this year’s numbers on pace to be the least deadly year in Baltimore in decades. —Sheila Dixon, Baltimore Sun, 2 Apr. 2025

Word History

Etymology

in sense 1, from Middle English, from Anglo-French, from Latin homicida, from homo human being + -cida -cide; in sense 2, from Middle English, from Anglo-French, from Latin homicidium, from homo + -cidium -cide

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for homicide

• actinide
• aldehyde
• alkoxide
• alongside
• amplified
• arsenide
• beautified
• biocide
• butoxide
• calcified
• ceramide
• certified

Kids Definition

homicide

noun

ho·​mi·​cide ˈhäm-ə-ˌsīd  ˈhō-mə- 

: a killing of one human being by another

Etymology

Middle English homicide "the killing of a person," from early French homicide (same meaning), from Latin homicidium "the act of killing a man," from homo "man" and -cidium "the act of killing," from caedere "to kill, cut"

Medical Definition

homicide

noun

ho·​mi·​cide ˈhäm-ə-ˌsīd  ˈhō-mə- 

1

: a person who kills another

2

: a killing of one human being by another compare genocide

Legal Definition

homicide

noun

ho·​mi·​cide ˈhä-mə-ˌsīd, ˈhō- 

1

: a person who kills another

2

: the killing of one human being by another compare manslaughter, murder

— criminal homicide

: homicide committed by a person with a criminal state of mind (as intentionally, with premeditation, knowingly, recklessly, or with criminal negligence)

— deliberate homicide

: homicide caused purposely and knowingly —used in Montana

— excusable homicide

: homicide that is committed by accident or misfortune by a person doing a lawful act by lawful means with usual and ordinary caution and without any unlawful intent and that is excused under the law

also : justifiable homicide in this entry

— felonious homicide

: homicide committed without justification

— homicide by misadventure

: homicide that occurs as the result of an accident caused by a person doing a lawful act with no unlawful intent

— justifiable homicide

: homicide that is committed in self-defense, in defense of another and especially a member of one's family or sometimes in defense of a residence, in preventing a felony especially involving great bodily harm, or in performing a legal duty and that is justified under the law

also : excusable homicide in this entry

— negligent homicide

: homicide caused by a person's criminally negligent act

— reckless homicide

: homicide caused by a person's reckless acts

Note: In Illinois, involuntary manslaughter committed by use of a motor vehicle is called reckless homicide.

— vehicular homicide \ vē-​ˈhi-​kyə-​lər-​ \

: homicide committed by the use of a vehicle (as an automobile or boat)

Etymology

Latin homicidium, from homo human being + caedere to cut, kill