U

classlessness

adjective

of or relating to a society in which there are no economic or social distinctions.
(of an individual) not having membership in a social or economic class or group.

adjective

not belonging to or forming a class
characterized by the absence of economic and social distinctions

adj.

1874 in the social sense (1863 in reference to class generally), from class (n.) in the “social order” sense + -less. As “lacking the sophistication of high class,” by 1979. Related: Classlessly; classlessness.