insularity
insular
+
-ity
https://gyazo.com/b3cfb3d55a692b42c6e9b3eb61cd7dae
noun
ignorance
of or
lack
of
interest
in
culture
s,
idea
s, or
people
s
outside
one's own
experience
:
偏狭、視野が狭いこと
e.g.
an example of British insularity.