Home › Words › U › unpainfulnessunpainfulnessunpainfulness means the state or condition of being unpainful; painlessness.Among words judged in Lexicurio's Arena, unpainfulness ranks #36,608 of 42,749 for Qualifying.EtymologyFrom unpainful + -ness.nounThe state or condition of being unpainful; painlessness.Definitions & examples from Wiktionary (CC BY-SA 3.0).