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