Insularity (noun)

1. The quality or state of being isolated, especially from the surrounding culture or society.
2. The quality or state of being narrow-minded or self-centered.

Origin:

Late latin insularitas, from latin insula island.

Examples:

1. The small town's insularity made it difficult for new ideas to take hold.
2. Her insularity prevented her from understanding the larger world.
3. His insularity was a major factor in his political downfall.
4. Despite their success, they maintained a sense of insularity, never becoming fully involved with the community.
5. The community's insularity made it difficult for outsiders to integrate and find acceptance.