isolationism

noun

iso·​la·​tion·​ism ˌī-sə-ˈlā-shə-ˌni-zəm How to pronounce isolationism (audio)
 also  ˌi-
: a policy of national isolation by abstention from alliances and other international political and economic relations
isolationist noun or adjective

Examples of isolationism in a Sentence

Recent Examples on the Web
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This new, more favorable vision of Russia was developing its own intellectual architecture, one that married isolationism, nationalism and traditionalism with a growing appreciation for autocratic strongmen who were bending their countries to their will. Eric Jason Martin Tanya Pérez Ted Blaisdell, New York Times, 12 Apr. 2025 Transitioning critical biomanufacturing capacity and pharmaceutical supply chains back to America and its allies is not about isolationism. Rita Numerof, Forbes.com, 22 Apr. 2025 But Roosevelt never lost sight of the fact that isolationism might well return once the conflict was over. Time, 12 Apr. 2025 Historically, even during its peak, isolationism in the US was never absolute. Andrew Latham, JSTOR Daily, 27 Mar. 2025 See All Example Sentences for isolationism

Word History

First Known Use

1919, in the meaning defined above

Time Traveler
The first known use of isolationism was in 1919

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Cite this Entry

“Isolationism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isolationism. Accessed 21 May. 2025.

Kids Definition

isolationism

noun
iso·​la·​tion·​ism ˌī-sə-ˈlā-shə-ˌniz-əm How to pronounce isolationism (audio)
: a national policy of avoiding international political and economic relations
isolationist noun or adjective

More from Merriam-Webster on isolationism

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