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

Western reasonableness shouldn't mutate into indifferent isolationism. —Newsweek Staff, MSNBC Newsweek, 25 June 2025

Flying the Flag of England, the village emphasizes ritualism, isolationism, and masculinity through archery. —Richard Newby, HollywoodReporter, 23 June 2025

If Trump decides that the MAGA movement should abandon isolationism altogether and invade Iran, then a large chunk of the movement will follow suit. —Martha McHardy, MSNBC Newsweek, 29 June 2025

In the meantime, Trump must pay attention to the insights provided by rival camps in his MAGA universe: the isolationism of Steve Bannon and Tucker Carlson versus the interventionism of Mark Levin and Laura Loomer. —David Remnick, New Yorker, 21 June 2025

Word History

First Known Use

1919, in the meaning defined above

Rhymes for isolationism

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

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