eco-imperialist adjective 1noun 1forms 3 adjective1 •Characteristic of or pertaining to eco-imperialism.This eco-imperialist logic was expounded by Larry Summers, chief economist of the World Bank, in his 1991 memo to a senior World Bank official. — 2014 noun1 •A person or country that engages in eco-imperialism.International environmental activists are condemned as racist "eco-imperialists" and domestic activists are Malaysia's "Number 1 traitors." — 1992 formseco-imperialists · more eco-imperialist · most eco-imperialist