fratricidal
/ˌfrætrəˈsaɪdl̩/
adjective
- Relating to the killing of one's own brother or sister.
- The ancient myth tells a fratricidal story of two brothers fighting for the throne.
- The police investigated the fratricidal attack that left one sibling dead.
- Fratricidal violence tore the royal family apart.
- Relating to conflict or killing between members of the same group, country, or organization.
- Fratricidal disputes within the political party weakened its chances in the election.
- The civil war was a fratricidal struggle that devastated the nation.
- The company suffered from fratricidal competition between its own departments.