lumpen
adjective
[ ˈlʌmpən ]
• (in Marxist contexts) uninterested in revolutionary advancement.
• "the lumpen public is enveloped in a culture of dependency"
• lumpy and misshapen; ugly and ponderous.
• "her own body was lumpen and awkward"
lumpen
noun
• the lumpenproletariat.
Origin:
1940s: back-formation from lumpenproletariat; the sense ‘misshapen, ponderous’ is by association with lumpish.