parricide

UK: /ˈpærɪˌsaɪd/ US: /ˈpærəˌsaɪd/ ,(par′ə sīd′)

WordReference Random House Learner's Dictionary of American English © 2026

par•ri•cide /ˈpærəˌsaɪd/   n. 

1. the killing of one's father, mother, or other close relative:
   [uncountable] guilty of parricide.
2. [countable] a person who commits such an act.

par•ri•cid•al /ˌpærəˈsaɪdəl/  adj. See -cide-.

WordReference Random House Unabridged Dictionary of American English © 2026

par•ri•cide  (par′ə sīd′), n. 

1. the act of killing one's father, mother, or other close relative.
2. a person who commits such an act.

• Latin parricīdum act of kin-murder, parricīda kin-killer, equivalent. to pāri- (akin to Greek pāós, Attic pēós kinsman) + -cīdum, -cida -cide
• 1545–55

par′ri•cid′al, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::

parricide / ˈpærɪˌsaɪd/ noun

1. the act of killing either of one's parents
2. a person who kills his or her parent

Etymology: 16th Century: from Latin parricīdium murder of a parent or relative, and from parricīda one who murders a relative, from parri- (element related to Greek pēos kinsman) + -cīdium, -cīda -cide

ˌparriˈcidal adjective