/ Dictionary / Index L lumpenprole: Meaning and Definition of Find definitions for: lum•pen•prole Pronunciation: (lum'pun-prōl"), [key] — n. Informal. a member of the lumpenproletariat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lumpen lumpenproletariat 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