insular

adjectives

relating to or characteristic of or situated on an island
"insular territories"; "Hawaii's insular culture"
is derived from
pertains to
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
is derived from
is similar to
confined to particular persons or groups or providing privacy
"a private place"; "private discussions"; "private lessons"; "a private club"; "a private secretary"; "private property"; "the former President is now a private citizen"; "public figures struggle to maintain a private life"
narrowly restricted in outlook or scope
"little sympathy with parochial mentality"; "insular attitudes toward foreigners"