adj.
   - uninterested in ideas, cultures, etc. other than one's own; narrow-minded. 
▸lacking contact with other people.
 - relating to or from an island. 
▸(of climate) equable because of the influence of the sea.
 - Anatomy  relating to the insula of the brain.
 
 
  Derivative
  
    - insularity n.
  - insularly adv.
 
   
  Etymology
  C16 (as n. denoting an islander): from late L. insularis, from insula ‘island’.