isolationism
noun
iso·la·tion·ism
ˌī-sə-ˈlā-shə-ˌni-zəm 
also ˌi-
: a policy of national isolation by abstention from alliances and other international political and economic relations
Examples of isolationism in a Sentence
Recent Examples on the Web
That streak of isolationism resonated with parts of his MAGA coalition.
—
Toluse Olorunnipa, The Atlantic, 2 Mar. 2026
America First is not isolationism.
—NBC news, 1 Mar. 2026
Two European powers pushed for an acceleration in military spending, as US isolationism and Russian aggression piled pressure on the continent.
—Tom Chivers, semafor.com, 17 Feb. 2026
This does not mean isolationism; Vance (and most of those in favor of foreign policy restraint) accept that America has security interests that warrant the use of military force.
—Frank Devito, The Orlando Sentinel, 30 Jan. 2026
See All Example Sentences for isolationism
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Toluse Olorunnipa, The Atlantic, 2 Mar. 2026
America First is not isolationism.
—NBC news, 1 Mar. 2026
Two European powers pushed for an acceleration in military spending, as US isolationism and Russian aggression piled pressure on the continent.
—Tom Chivers, semafor.com, 17 Feb. 2026
This does not mean isolationism; Vance (and most of those in favor of foreign policy restraint) accept that America has security interests that warrant the use of military force.
—Frank Devito, The Orlando Sentinel, 30 Jan. 2026
See All Example Sentences for isolationism
Cite this Entry
“Isolationism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isolationism. Accessed 9 Mar. 2026.
Copy CitationKids Definition
isolationism
noun
iso·la·tion·ism
ˌī-sə-ˈlā-shə-ˌniz-əm
: a national policy of avoiding international political and economic relations
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