- The murder of an entire family by a family member.
- Because of the familicide that wiped out his entire family, he will be charged with six counts of murder.
- The murder of an entire family by a family member, followed by suicide.
- His spree of familicide ended only after he killed the family dog, and then himself.
- The person who perpetrates a familicide.
- The popular professional wrestler became the most notorious familicide of 2007.
family + -cide