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Synonyms

isolationist

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

noun

  1. a person who favors or works for isolationism.


adjective

  1. of, relating to, or characteristic of isolationists or isolationism.

    to be accused of isolationist sympathies.

Other Word Forms

  • anti-isolationist noun
  • unisolationist adjective

Etymology

Origin of isolationist

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Countries have become more isolationist manufacturing-wise, so they need to generate more electricity locally.

From Barron's • Mar. 11, 2026

Sometimes he is called an isolationist, sometimes an interventionist.

From BBC • Jan. 20, 2026

It’s often said that Hoxha turned Albania into a Balkan North Korea, but he was, in truth, more isolationist even than the North Korean Kims.

From The Wall Street Journal • Nov. 30, 2025

Those sites represent shifting centers of power, influence and reigning cultural philosophy within the country, beginning with the isolationist Joseon dynasty that ruled for half a millennium, before the tumultuous modern era.

From Los Angeles Times • Mar. 15, 2024

But gradually they came to accept Harry's isolationist ways as the norm—at least, for him.

From This Crowded Earth by Bloch, Robert