Home › Words › G › giantkillergiantkillergiantkiller · noun — one who slays a giant.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, giantkiller ranks #2,499 of 43,014 for Qualifying.EtymologyFrom giant + killer.nounOne who slays a giant.Definitions & examples from Wiktionary (CC BY-SA 3.0).