Definition of insular adjective from the Oxford Advanced Learner's Dictionary

     

    insular

     adjective
    adjective
    BrE BrE//ˈɪnsjələ(r)//
     
    ; NAmE NAmE//ˈɪnsələr//
     
     
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  1. 1(disapproving) only interested in your own country, ideas, etc. and not in those from outside The British are often accused of being insular.
  2. 2(specialist) connected with an island or islands the coastal and insular areas
  3. Word Origin mid 16th cent. (as a noun denoting an islander): from late Latin insularis, from insula ‘island’.
See the Oxford Advanced American Dictionary entry: insular