Dictionary

isolationism

noun iso·la·tion·ism \-shə-ˌni-zəm\

: the belief that a country should not be involved with other countries : a policy of not making agreements or working with other countries

Full Definition of ISOLATIONISM

:  a policy of national isolation by abstention from alliances and other international political and economic relations
iso·la·tion·ist \-sh(ə-)nist\ noun or adjective

First Known Use of ISOLATIONISM

1922

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