Home › Words › U › unlustinessunlustinessunlustiness means quality of being unlusty.Among words judged in Lexicurio's Arena, unlustiness ranks #16,730 of 42,749 for Qualifying.EtymologyFrom Middle English unlustynesse; equivalent to unlusty + -ness.nounQuality of being unlusty.Definitions & examples from Wiktionary (CC BY-SA 3.0).