malice aforethought(redirected from Malice prepense)
Also found in: Dictionary, Thesaurus, Legal.
malice aforethoughtCriminal law
1. the predetermination to do an unlawful act, esp to kill or seriously injure
2. the intent with which an unlawful killing is effected, which must be proved for the crime to constitute murder
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005