egalitarian UK /ɪˌɡæl.ɪˈtɛə.ɹi.ən/US /ɪˌɡæl.ɪˈtɛɹ.i.ən/adjective 1noun 1forms 5 adjective1 •Characterized by social equality and equal rights for all people. noun1 •A person who accepts or promotes social equality and equal rights for all people. formsegalitarians · more egalitarian · more égalitarian · most egalitarian · most égalitarian