insular

Adjective

• narrowly restricted in outlook or scope
  • little sympathy with parochial mentality
    
  • insular attitudes toward foreigners
    

• suggestive of the isolated life of an island; so deeply private as to seem inaccessible to the scrutiny of a novelist"- Leonard Michaels
  • an exceedingly insular man
    

• relating to or characteristic of or situated on an island
  • insular territories
    
  • Hawaii's insular culture