advocacy of a classless society in which private ownership has been abolished and the means of production and subsistence belong to the community

any social, economic, or political movement or doctrine aimed at achieving such a society

a political movement based upon the writings of Marx that considers history in terms of class conflict and revolutionary struggle, resulting eventually in the victory of the proletariat and the establishment of a socialist order based on public ownership of the means of production

a social order or system of government established by a ruling Communist Party, esp in the former Soviet Union

any leftist political activity or thought, esp when considered to be subversive

communal living; communalism