Home › Words › M › manslayingmanslayingmanslaying means the deliberate killing of a human being; murder.Among words judged in Lexicurio's Arena, manslaying ranks #36,621 of 42,752 for Qualifying.EtymologyFrom man + slaying.nounThe deliberate killing of a human being; murder.Definitions & examples from Wiktionary (CC BY-SA 3.0).