insular -- (relating to or characteristic of or situated on an island; "insular territories"; "Hawaii's insular culture")
insular -- (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 Michaels)
insular, parochial -- (narrowly restricted in outlook or scope; "little sympathy with parochial mentality"; "insular attitudes toward foreigners")