monalty, the working class, the lower class, the huddled masses, the multitude, the mob, the populace; the common man, the man in the street; peasants, proletariat, rank and file, plebians, the hoi polloi; rabble, scum, the great unwashed, riffraff, ragtag and bobtail, vulnerable, adj. 1. unprotected, unguarded, unshielded, accessible, assailable; defenseless, uncovered, exposed, naked, wide open; weak, helpless, powerless, impotent; tender, sensitive, thin-skinned, easily hurt;