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English definition of “isolationism”

isolationism

noun [U] uk   /ˌaɪ.səlˈeɪ.ʃən.ɪ.zəm/ disapproving us  
the political principle or practice of showing interest only in your own country and not being involved in international activities
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isolationist
adjective uk   /-ɪst/ us  
an isolationist policy/nation/attitude
(Definition of isolationism from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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