the quality of only being interested in your own country or group and not being willing to accept different or foreign ideas

Their actions have led to accusations of insularity or arrogance. 他们的行为导致了对他们僵化或傲慢的指责。

She dislikes the cosy insularity of the local jazz scene. 她不喜欢当地爵士乐界那种舒适的狭隘氛围。