kirgiz kir giz n a member of a people of Turkic speech and Mongolian race inhabiting vast regions of central Siberia n a landlocked republic in west central Asia bordering on northwestern China; formerly an Asian soviet but became independent in 1991 n the Turkic language spoken by the Kirghiz Synonym(s) Kirghiz Kirgiz Khirghiz Kyrgyzstan Kyrgyz Republic Kirghizia Kirgizia Kirghizstan Kirgizstan