Tajik (Noun) — The Iranian language of the Tajik that is closely related to Farsi; spoken in Iran and Tajikistan.
Tajik (Noun) — A native or inhabitant of Tajikistan and neighbouring areas of Uzbekistan and Afghanistan and China.
Tajik (Noun) — An ethnic group (mostly Moslem) living in Tajikistan and neighbouring areas of Uzbekistan and Afghanistan and China.
Tajik (Noun) — A landlocked mountainous republic in southeast central Asia to the north of Afghanistan; formerly an Asian soviet.