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

isolationist

ˌī-sə-ˈlā-sh(ə-)nist 

also ˌi-

noun or adjective

Examples of isolationism in a Sentence

Recent Examples on the Web

While not new, the appetite for isolationism as a core response is once again politically popular. — Ivan Buendia Gayton, STAT, 7 July 2026

But now there's a new threat from the populist right that would embrace policies of isolationism abroad, that would embrace big government and protectionism at home, marginalize the right to life. — CBS News, 31 May 2026

Besides presenting a wide range of arts and entertainment, the event is meant to generate a spirit of global togetherness at a time when some are embracing isolationism and intolerance. — Randy McMullen, Mercury News, 30 Apr. 2026

The Joseon maintained a policy of isolationism for hundreds of years, until the arrival of Western imperial powers in Asia in the 19th century forced them to open up the country. — Lori Waxman, Chicago Tribune, 29 Apr. 2026

Word History

First Known Use

1919, in the meaning defined above

Rhymes for isolationism

• absolutism
• adventurism
• aestheticism
• africanism
• agnosticism
• alcoholism
• anachronism
• anglicanism
• antagonism
• arianism
• asceticism
• astigmatism

Kids Definition

isolationism

noun

iso·​la·​tion·​ism ˌī-sə-ˈlā-shə-ˌniz-əm 

: a national policy of avoiding international political and economic relations

isolationist

-sh(ə-)nəst 

noun or adjective