insular

/ˈɪnsələr/
adjective
  1. Uninterested in or not accepting new ideas, people, or cultures; narrow-minded.
    • The company's insular culture made it difficult to adopt new technology.
    • The small town had an insular attitude, rarely welcoming outsiders.
    • His insular views prevented him from appreciating different cuisines.
  2. Relating to or characteristic of an island or isolated place.
    • The island's insular geography kept it relatively untouched by modern development.
    • The insular community developed its own unique traditions over centuries.
    • Many insular species evolve differently from those on the mainland.
What does "insular" mean? | whatsthatwordmean | whatsthatwordmean