I. ˌ ̷ ̷ ̷ ̷ˈlāsh(ə)nə̇st noun
( -s )
: one that advocates or believes in isolationism
criticism … not from isolationists but from internationalists — Atlantic
anthropological isolationists
II. | ̷ ̷ ̷ ̷| ̷ ̷( ̷ ̷) ̷ ̷ adjective
: of, characterized by, or favoring isolationism
the orthodox believe that much money can be saved, especially of what now goes to foreign aid, by a more isolationist foreign policy — Walter Lippmann
the country was in an overwhelmingly isolationist mood — F.L.Allen
culturally as well as politically isolationist — Christian Gauss