1. in a narrow-minded or isolated manner, showing little interest in or knowledge of cultures, ideas, or peoples outside one’s own experience

Examples

• The committee approached the international crisis insularly, considering only domestic concerns.
• She lived insularly in her small town, rarely venturing beyond familiar boundaries.
• The company operated insularly, ignoring global market trends.
• He thought insularly about the problem, dismissing outside perspectives.
• The community responded insularly to the proposed changes.
• They planned the project insularly without consulting international experts.