The artist's lumpenproletarian background influenced his raw, unpolished portrayals of urban life.

During the debate, he dismissed his opponent as little more than a lumpenproletarian, disconnected from the working-class struggle.

The lumpectomized woman smiled nervously as she discussed her recovery with the surgeon.

Activists denounced the party's lumpenbourgeois collaborators for undermining genuine socialist reform.

The political pamphlet accused the local lumpenbourgeois of exploiting populist rhetoric to secure commercial favors.

Historically, some revolutionaries argued that lumpenproletariats could be unpredictable allies or dangerous foes depending on the political context.

Activists warned that segmenting contracts and cutting benefits was effectively lumpening the workforce, leaving vulnerable employees with no social safety net.

The critic lumpens contemporary art into a few crude categories, ignoring nuance and innovation.

The union leaders warned that the arrival of lumpens at the rally could undermine the protesters' message.

The wet sugar lumpened overnight, ruining the recipe.