insular
🇺🇸
/ˈɪnsələr/
🇬🇧
/ˈɪnsjələ(r)/
Focused only on one's own interests and not open to outside ideas or influences.
Some people think that living in a small town can make you insular.
Living in a way that has little interaction with others.
After moving to the countryside, they led a very insular life.
Related to or characteristic of an island or islands.
The insular culture of the island has been preserved for centuries.