/ Dictionary / Index L lumpenproletariat: Meaning and Definition of Find definitions for: lum•pen•pro•le•tar•i•at Pronunciation: (lum'pun-prō"li-târ'ē-ut), [key] — n. the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lumpenproletariat (Thesaurus) lumpenprole lumper Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language