WordNet (r) 3.0 (2006):

Tajik
    n 1: a native or inhabitant of Tajikistan and neighboring areas
         of Uzbekistan and Afghanistan and China [syn: Tajik,
         Tadzhik]
    2: a landlocked mountainous republic in southeast central Asia
       to the north of Afghanistan; formerly an Asian soviet [syn:
       Tajikistan, Republic of Tajikistan, Tadzhikistan,
       Tadzhik, Tadjik, Tajik]
    3: an ethnic group (mostly Moslem) living in Tajikistan and
       neighboring areas of Uzbekistan and Afghanistan and China
       [syn: Tajik, Tadzhik]
    4: the Iranian language of the Tajik that is closely related to
       Farsi; spoken in Iran and Tajikistan [syn: Tajiki, Tajik,
       Tadzhik]