Home › Words › S › spuriosityspuriosity/spjʊə.ɹiˈɒ.sə.ti/spuriosity means spuriousness.Among words judged in Lexicurio's Arena, spuriosity ranks #10,248 of 42,785 for Qualifying.spuriosity is pronounced /spjʊə.ɹiˈɒ.sə.ti/.EtymologyFrom spurious + -osity.nounSpuriousness.That which is spurious; something false or illegitimate.Definitions & examples from Wiktionary (CC BY-SA 3.0).