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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This is not isolationism by any stretch of the imagination. Sonam Sheth, MSNBC Newsweek, 10 July 2025 His previous, Pulitzer-winning book, The End of the Myth, incisively explained how U.S. expansionism gave way to the border-wall isolationism of the Trump era. Book Marks july 3, Literary Hub, 3 July 2025 Instead, this strategy offers a middle position between isolationism and the longtime U.S. strategy of global leadership. Jennifer Lind, Foreign Affairs, 24 June 2025 Western reasonableness shouldn't mutate into indifferent isolationism. Newsweek Staff, MSNBC Newsweek, 25 June 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 29 Jul. 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

Last Updated: - Updated example sentences
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