protectionist noun 2adjective 1forms 3 noun2 •Someone who believes in protecting domestic producers by impeding or limiting the importation of foreign goods and services via actions taken by government.Vance is now a key messenger for Trump’s economic agenda as the administration pursues sweeping new protectionists policies announced on what they deemed “Liberation Day.” — 2025 •A linguistic purist. adjective1 •Of or pertaining to protectionism, or an advocate thereof.This is because most member countries still hold a very much protectionist stance when it comes to the service sector. — 2008 formsprotectionists · more protectionist · most protectionist