Home › Words › U › unporousnessunporousnessunporousness means the state or condition of being unporous.Among words judged in Lexicurio's Arena, unporousness ranks #36,618 of 42,749 for Qualifying.EtymologyFrom unporous + -ness.nounThe state or condition of being unporous.Definitions & examples from Wiktionary (CC BY-SA 3.0).