A lack of interest or inquisitiveness.

अविश्वास या जिज्ञासा की कमी

English Usage: His incuriosity about the world around him often left him uninformed.

Hindi Usage: उसके चारों ओर की दुनिया के प्रति अविश्वास ने उसे अक्सर अनजान बना दिया।