Save Type Surname (from nickname) Usage Russian, Belarusian Scripts Кислый(Russian) Кіслы(Belarusian) Pronounced Pron. /ˈkʲi.sɫɨɪ̯/(Russian) /ˈkʲi.sɫɨ/(Belarusian) [key·simplify] Other Forms FormsKislyi, Kisły Meaning & History Derived from Russian кислый (kisly) meaning "acid, acidic, sour".