69%RatingSave Gender Masculine Usage Czech Pronounced Pron. /ˈra.ɟɪm/ [key·simplify] Meaning & History Originally a diminutive of names beginning with the Slavic element radŭ meaning "happy, willing". Related NamesFamily Tree·Details RootradŭVariantsRadek, Radko, RadúzOther Languages & CulturesRadko, Rayko, Rayno(Bulgarian) Ratko(Croatian) Radzim(Polish) Radu(Romanian) Radoš, Ratko(Serbian) PopularityDetails Last ranked #67 in 2016 Czechia Name DaysName Days? Czechia: August 25 Categories saints, short forms