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sororicide

American  
[suh-rawr-uh-sahyd, -ror-] / səˈrɔr əˌsaɪd, -ˈrɒr- /

noun

  1. the act of killing one's own sister.

  2. a person who kills their sister.

sororicide British  
/ səˈrɒrɪˌsaɪd /

noun

  1. the act of killing one's own sister

  2. a person who kills his or her sister

"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

Other Word Forms

  • sororicidal adjective

Etymology

Origin of sororicide

First recorded in 1650–60; from Latin sorōricīda “one who kills his sister,” -cīdium “the act of killing one's sister,” equivalent to sorōr- (stem of soror ) sister + -cīda, -cīdium -cide

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.