noun. One who believes that a new race or variety cannot become fixed or established through natural selection unless its representative individuals are locally or topographically separated or segregated from the remainder of the species.

noun. In recent United States politics, an advocate of the policy of non-interference or non-participation in international affairs.

adjective. of or pertaining to isolationism.

adjective. Favoring or supporting isolationism; -- of people.

noun. A proponent or supporter of isolationism; one who is isolationistic.

adjective. Of or pertaining to isolationism or an advocate thereof.

noun. One who advocates or supports isolationism.

noun. an advocate of isolationism in international affairs

adjective. of or relating to isolationism

"This gave rise to what has been called the "isolationist" - strand in the Republican Party, although the term "isolation" - is not by itself proper."

isolationistic  

advocate  advocator  exponent  proponent  

anti-establishment  anti-intellectual  anti-semite  anti-trade  anti-western  

Diogenes  Hieronymian  Hieronymite  Timon of Athens  anchoress