■ adjective
1》 uninterested in ideas, cultures, etc. other than one's own; narrow-minded.
↘lacking contact with other people.
2》 relating to or from an island.
↘(of climate) equable because of the influence of the sea.
3》 Anatomy relating to the insula of the brain.
Derivatives
~ity noun
~ly adverb
Origin
C16 (asnoun denoting an islander): from late L. ~is , from insula 'island'.