isolationist

They pulled the entire controversial heritage of the America First Society out of some dusty old trunk, glazed it with John Birch paranoia and sprinkled it with Pat Buchanan's isolationist "stay out of Europe" takes.

Trump was labeled ‘isolationist’ over disdain for alliances.

During Trump’s first term, pundits often labeled him an “isolationist” because of his disdain for alliances and his self-declared opposition to military adventures.

Voters were in an isolationist mood when they gave Trump a second term.

But it’s not just the isolationist moves and the potential loss of diplomatic strength and influence that worries experts and health officials.