in·su·lar 
/ˈɪnsʊlɚ, Brit ˈɪnsjʊlə/ adjective
/ˈɪnsʊlɚ, Brit ˈɪnsjʊlə/ adjective [more insular; most insular] : separated from other people or cultures : not knowing or interested in new or different ideas
▪ an insular [=isolated] group ▪ the insular world of boarding schools ▪ an insular [=narrow] way of thinking
▪ an insular [=isolated] group ▪ the insular world of boarding schools ▪ an insular [=narrow] way of thinking
— in·su·lar·i·ty /ˌɪnsʊˈlerəti, Brit ˌɪnsjʊˈlærəti/ noun [noncount]
▪ the insularity of the boarding school world
/ˌɪnsʊˈlerəti, Brit ˌɪnsjʊˈlærəti/ noun [noncount] ▪ the insularity of the boarding school world
