majoritarian
noun
ma·jor·i·tar·i·an mə-ˌjȯr-ə-ˈter-ē-ən 
-ˌjär-
: a person who believes in or advocates majoritarianism
majoritarian adjective
Example Sentences
Recent Examples on the Web Conservatism has ceased to be a political project capable of creating hegemony through majoritarian means. 
Corey Robin, The New York Review of Books, 21 Oct. 2020 Obscenity warnings were the pet project of moral majoritarians in the early 1990s. Michael Brendan Dougherty, National Review, 30 Sep. 2017
Corey Robin, The New York Review of Books, 21 Oct. 2020 Obscenity warnings were the pet project of moral majoritarians in the early 1990s. Michael Brendan Dougherty, National Review, 30 Sep. 2017 Word History
First Known Use
1942, in the meaning defined above
Legal Definition
majoritarian
adjective
ma·jor·i·tar·i·an
mə-ˌjȯr-i-ˈtar-ē-ən, -ˌjär-
: characterized by the rule or decisions of a majority
majoritarian politics