Home › Words › I › immortalnessimmortalnessimmortalness · noun — the quality of being immortal.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, immortalness ranks #34,133 of 43,042 for Qualifying.EtymologyFrom immortal + -ness.nounThe quality of being immortal.Definitions & examples from Wiktionary (CC BY-SA 3.0).