say it: IN-suh-lur
insular is an adjective meaning "relating to or characteristic of or situated on an island". It carries 3 recorded senses.
relating to or characteristic of or situated on an island
“insular territories”
“Hawaii's insular culture”
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”
narrowly restricted in outlook or scope
“little sympathy with parochial mentality”
“insular attitudes toward foreigners”
Definitions, synonyms and semantic relations for insular come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.