Home › Words › N › nonmercynonmercynonmercy · noun — absence or lack of mercy.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, nonmercy ranks #34,143 of 43,053 for Qualifying.EtymologyFrom non- (“none, lack of”) + mercy.nounAbsence or lack of mercy.Definitions & examples from Wiktionary (CC BY-SA 3.0).