1. a person who kills his or her son or daughter.
  2. the act of killing one's son or daughter: Ancient myth contains numerous examples of filicide.

Origin of filicide

1655–65; < Latin fīli(us) son (fīli(a) daughter) + -cide
Related formsfil·i·cid·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for filicide


  1. the act of killing one's own son or daughter
  2. a person who does this
Derived Formsfilicidal, adjective

Word Origin for filicide

C17: from Latin fīlius son or fīlia daughter + -cide
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

Word Origin and History for filicide

1660s, "action of killing a son or daughter," from Latin filius/filia "son/daughter" (see filial) + -cide. Meaning "one who kills a son or daughter" is from 1823. Related: Filicidal.

Online Etymology Dictionary, © 2010 Douglas Harper