Definition of fratricide in English:

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Pronunciation: /ˈfratrəˌsīd/


1The killing of one’s brother or sister.
Example sentences
  • I can even, to a lesser degree, comprehend stalkers, serial killers, matricide, fratricide, genocide.
  • It's about fratricide, patricide, matricide - the ultimate dysfunctional family.
  • With songs about lost love, broken hearts, fratricide, betrayal, drug addiction and the fear of death, the new record delves deeply into realms of experience that many lesser artists shy away from.
1.1A person who kills their brother or sister.
1.2The accidental killing of one’s own forces in war.
Example sentences
  • Crews conducted numerous tasks during this period, including environmental ‘brownout’ training, blue force tracking training, fratricide prevention and gunnery.
  • Moreover, because of its accurate target detection and precision strike capability, the risk of fratricide and collateral damage will be greatly reduced.
  • The worst case of fratricide in the Vietnam war occurred during an artillery exchange when the wrong powder charge caused long rounds to hit another U.S. artillery position.


Late 15th century (denoting a person who kills their brother or sister, derived from Latin fratricida): the primary current sense comes via French from late Latin fratricidium, from frater 'brother' + -cidium (see -cide).

Words that rhyme with fratricide

matricide, patricide

For editors and proofreaders

Syllabification: frat·ri·cide

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