arpadianEtymologyFrom Hungarian Árpád + -ian.arpadian means related to the Árpád dynasty of Hungary, c. 855–1301 CE. Lexicurio rates it Sui generis — a strength score of 87 out of 100.adjRelated to the Árpád dynasty of Hungary, c. 855–1301 CE.nounA member of the Árpád dynasty.