RajasthanPronunciation: /ˌrɑːdʒəˈstɑːn/Definition of Rajasthan a state in western India, on the Pakistani border; capital, Jaipur. The western part of the state consists largely of the Thar Desert. Derivatives Rajasthani noun & adjective Rajasthan in other Oxford dictionaries Definition of Rajasthan in the US English dictionary