Egalitarian definition is - asserting, promoting, or marked by egalitarianism. An egalitarian society is a society that believes in treating people equally through giving people equal rights and opportunities. This group is believed to have had an egalitarian society, without a stratified social hierarchy. Twitter: @SocioDictionary This belief is referred to as egalitarianism, which advocates human equality, with respect to economic, political and social rights. See more. An egalitarian is a person who believes in the equality of all people, and an egalitarian society gives everyone equal rights. Define egalitarian. The Roots of egalitarianism Egalitarianism as a political ideology can be defined as the doctrine that sees each and every person as equal in their moral status, thereby granting them equal rights and opportunities.e The Open Education Sociology Dictionary (OESD) is part of the open access and open education movement and seeks to create an entry level resource for sociology students, educators, and the curious. How to use egalitarian in a sentence. Learn more. Egalitarian definition, asserting, resulting from, or characterized by belief in the equality of all people, especially in political, economic, or social life. adj. egalitarian synonyms, egalitarian pronunciation, egalitarian translation, English dictionary definition of egalitarian. egalitarian definition: 1. believing that all people are equally important and should have the same rights and…. Egalitarianism definition is - a belief in human equality especially with respect to social, political, and economic affairs. egalitarian Society: The term is derived from the French word e´gal which means equal.