isolationist
UK: ˌaɪ.səˈleɪ.ʃən.ɪst | US: ˌaɪ.səˈleɪ.ʃən.ɪst
n. a person who favors or advocates isolationism (a policy of remaining apart from the affairs or interests of other groups, especially in international politics).
adj. relating to or characteristic of isolationism.
The word traces back to the concept of "isolation" (separation, like an island) combined with the agentive suffix -ist. It emerged in the early 20th century to describe political ideologies favoring non-involvement in global affairs, metaphorically extending the idea of physical separation to geopolitical neutrality.
The senator’s isolationist views opposed foreign aid and military alliances.
Critics argue that isolationist policies harm international trade.
During the 1930s, many nations adopted isolationist stances to avoid war.
The party’s platform shifted from globalist to isolationist under new leadership.
Historians debate whether isolationist strategies truly protect national interests.