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