1. the condition of being isolated or detached from others; narrow-mindedness resulting from lack of contact with other people or cultures

Examples

• The small town’s insularism made it difficult for newcomers to feel welcome.
• His insularism prevented him from understanding different cultural perspectives.
• The company’s insularism led to missed opportunities in global markets.
• Geographic insularism can limit educational and economic development.
• She worked to overcome the insularism of her rural upbringing.
• The university aimed to reduce student insularism through exchange programs.