a person who believes in or advocates isolation; specif., one who opposes the involvement of his or her own country in international alliances, agreements, etc.
adjective
2.
of isolationists or their policy
Derived forms
isolationism (ˌisoˈlationˌism)
noun
Examples of 'isolationist' in a sentence
isolationist
"This did not go down well with the isolationist thinkers, of which Ginny's father was one of the most prominent.
Gaskin, Catherine THE AMBASSADOR'S WOMEN (2001)
"He had become the complete isolationist, very outspoken in the Senate, and he had a considerable following throughout the country.
Gaskin, Catherine THE AMBASSADOR'S WOMEN (2001)
Just'cos you're going out with some poser who wears black leather, there's no need to go all isolationist and ditch your old friends.
Kate Cann READY? (2001)
Apparently Justine, normally so isolationist, returned his liking; she had gone to sleep.