[ri-strik-shuh-niz-uh m]
  1. a policy, especially by a national government or legislative body, of enacting restrictions on the amount of imported goods, immigration, etc.

Origin of restrictionism

First recorded in 1935–40; restriction + -ism
Related formsre·stric·tion·ist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for restrictionist

Contemporary Examples of restrictionist