Home › Words › O › overdiversityoverdiversityoverdiversity · noun — excessive diversity.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, overdiversity ranks #36,416 of 42,854 for Qualifying.EtymologyFrom over- + diversity.nounexcessive diversityDefinitions & examples from Wiktionary (CC BY-SA 3.0).