insularity
isolation or narrowness from being cut off
Root
- insul / island: island or island-like isolation
Other words with the insul / island root
- insulate: to protect or set apart
Insularity is island-ness turned into habit: cut off, self-contained, and narrow.
The team's insularity made honest feedback hard to hear.
Insulate and insular keep the island image useful. Insularity is what can happen when a person or group is too cut off from wider contact.