Home › Words › P › pupacidepupacidepupacide means any pesticide that attacks the pupal stage of an insect.Among words judged in Lexicurio's Arena, pupacide ranks #30,360 of 42,749 for Qualifying.EtymologyFrom pupa + -cide.nounAny pesticide that attacks the pupal stage of an insectDefinitions & examples from Wiktionary (CC BY-SA 3.0).