63%RatingSave Gender Feminine Usage Serbian, Croatian Scripts Радојка(Serbian) Meaning & History Derived from the Slavic element radŭ meaning "happy, willing". Related NamesFamily Tree·Details RootradŭVariantsRadinka, Rada(Serbian) Masculine FormsRadoš, Ratko(Serbian) Ratko(Croatian) Other Languages & CulturesRada, Radina, Radka, Raina, Raya, Rayna(Bulgarian) Radka(Czech) Categories emotions, happiness