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English definition of “insular”

insular

adjective     /ˈɪn.sjʊ.lər/ US  /-lɚ/ disapproving
interested only in your own country or group and not willing to accept different or foreign ideasNarrow-minded insularity     /ˌɪn.sjʊˈlær.ə.ti/ US  /-t̬i/ noun [U]
(Definition of insular adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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