From Longman Dictionary of Contemporary EnglishRelated topics: Geography, Nationality & raceinsularin‧su‧lar /ˈɪnsjələ $ ˈɪnsələr, ˈɪnʃə-/ adjective1PREJUDICEDinterested in your own group, country, way of life etc and no others – used to show disapproval → parochialan insular communitythe insular world of the law2formalSGSANrelating to or like an island —insularity /ˌɪnsjəˈlærəti $ -sə-, -ʃə-/ noun [uncountable]Examples from the Corpusinsular• Landres is a small, insularcommunity in the Midwest.Origininsular(1500-1600)Late Latininsularis, from Latininsula"island"