Home › Words › U › unrigorousnessunrigorousnessunrigorousness means the state or condition of being unrigorous.Among words judged in Lexicurio's Arena, unrigorousness ranks #36,606 of 42,747 for Qualifying.EtymologyFrom unrigorous + -ness.nounThe state or condition of being unrigorous.Definitions & examples from Wiktionary (CC BY-SA 3.0).