1. relating to or characteristic of an island
2. narrow-minded or isolated in outlook; unwilling to consider new ideas or outside influences

Examples

• The insular geography of Japan has influenced its unique culture.
• Hawaii’s insular climate remains warm year-round.
• His insular attitude prevented him from appreciating different perspectives.
• The small town had an insular community that resisted change.
• She criticized the company’s insular hiring practices.
• The insular nature of the academic department limited collaboration.
• Living on the insular nation shaped their maritime traditions.