Adjective
1. relating to or characteristic of or situated on an island;
"insular territories""Hawaii's insular culture"2. suggestive of the isolated life of an island;
"an exceedingly insular man; so deeply private as to seem inaccessible to the scrutiny of a novelist"- Leonard Michaels3. narrowly restricted in outlook or scope;
"little sympathy with parocial mentality""insular attitudes toward foreigners"