Home › Words › S › solertiousnesssolertiousnesssolertiousness means the quality of being solert.Among words judged in Lexicurio's Arena, solertiousness ranks #36,091 of 42,762 for Qualifying.EtymologyFrom solert + -ness.nounThe quality of being solert.Definitions & examples from Wiktionary (CC BY-SA 3.0).