Save Gender Masculine Usage Lithuanian (Rare) Pronounced Pron. [ɐ.dɐlʲ.ˈbʲɛr.tɐs], [ɐ.ˈdɐlʲ.bʲɛr.tɐs] [key·simplify] Other Forms FormsAdas, Adis, Adžius, Bertas Meaning & History Lithuanian form of Adalbert.