Search Result for "lumpenproletariat": 
Wordnet 3.0

NOUN (1)

1. (Marxism) the unorganized lower levels of the proletariat who are not interested in revolutionary advancement;


The Collaborative International Dictionary of English v.0.48:

Lumpenproletariat \Lump`en*pro*le*tar"i*at\, n. (Politics) the lowest level of the proletariat, comprising unskilled workers, the unemployed, and the dispossessed, alienated from the class with with they would normally identify and having little or no class solidarity; -- an important element in Marxist theory. [PJC]
WordNet (r) 3.0 (2006):

lumpenproletariat n 1: (Marxism) the unorganized lower levels of the proletariat who are not interested in revolutionary advancement