[ ahy-suh-ley-shuh-nist, is-uh- ]
/ ˌaɪ səˈleɪ ʃə nɪst, ˌɪs ə- /


a person who favors or works for isolationism.


of, relating to, or characteristic of isolationists or isolationism: to be accused of isolationist sympathies.

Origin of isolationist

An Americanism dating back to 1860–65; isolation + -ist

Related forms

an·ti-i·so·la·tion·ist, noun, adjectiveun·i·so·la·tion·ist, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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