Definition of sororicide in English:



mass noun
  • 1The killing of one's sister.

    • ‘The most serious form of sibling abuse is fratricide and sororicide.’
    • ‘Freud seems to have been deaf to the importance in myth of both sororicide and fratricide.’
    • ‘Alonso eloquently regrets the sororicide and uxoricide he committed before he is beheaded.’
    • ‘"She makes me so angry," said the victim of an attempted sororicide.’
    • ‘While it may be tempting to blame these killings on some extreme form of sibling rivalry, most cases of fratricide or sororicide defy such a simplistic explanation.’
    killing, homicide, assassination, liquidation, extermination, execution, slaughter, butchery, massacre
    View synonyms
    1. 1.1count noun A person who kills their sister.
      • ‘Anna is barely sane; and Helen is a sororicide.’
      • ‘The King is at first inclined to agree with this principle and to mete out to the sororicide the punishment he deserves.’
      • ‘Intending sororicides will do well to get this formula fastened in their memories.’
      • ‘Roman historians tend to present the sororicide in a positive light, stressing Horatia's father's public vindication of his son.’
      • ‘My error was demonstrated to me in black and white: the sororicide had to be acquitted.’


Mid 17th century (denoting a person who kills their sister, derived from Latin sororicida): the primary current sense comes from late Latin sororicidium, from soror ‘sister’ + -cidium (see -cide).