Origin: Russian Meaning: it's the Russian form of Bademus, a Latinized form of a Persian name, meaning unknown. It's also been linked to Slavic Vadimir meaning "accuse + peace, world" from Slavic elements vaditi (accuse, to slander, to blame) and miru (peace, world). Vadik is a diminutive form of the name. Variants: Vadym (Ukrainian); Vadzim (Belarusian)