Marxism

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The political and economic philosophy of Karl Marx and Friedrich Engels in which the concept of class struggle plays a central role in understanding society's allegedly inevitable development from bourgeois oppression under capitalism to a socialist and ultimately classless society.

from the GNU version of the Collaborative International Dictionary of English.

• proper noun A system of economic and political thought, originated by Karl Marx, and elaborated by others. It holds that the state has been the a device for suppression of the masses, allowing exploitation by a dominant (capitalistic) class; that historical change occurs through class struggle; and that the capitalist system will inevitably wither away to be superseded by a classless society.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The socialist philosophy and political program founded by Karl Marx and Friedrich Engels; scientific socialism.
• noun The socialist ideology of the followers of Karl Marx; a radical, revolutionary political philosophy that aims to capture state power, introduce a dictatorship of the proletariat, and then progress to communism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the economic and political theories of Karl Marx and Friedrich Engels that hold that human actions and institutions are economically determined and that class struggle is needed to create historical change and that capitalism will ultimately be superseded by communism