Save Gender Masculine Usage Italian Pronounced Pron. JOO-sto [key·IPA] Meaning & HistoryExpand Links Italian form of JUSTUS. Related NamesFamily Tree·Details Other Languages & CulturesJustus, Joos, Joost(Dutch) Justus(Finnish) Juste(French) Justus(German) Iustus, Justus(Late Roman) Justas(Lithuanian) Justo(Spanish) PopularityDetails Last ranked #58 in 1427 Renaissance Italy Entry added May 29, 2020 ·