adj. 1. Occupying the lowest socioeconomic position in a society. Contrasted with middle-class and upper-class. [ Narrower terms: propertyless, wage-earning, working-class, blue-collar ] Also See: lowborn, proletarian, propertyless. Syn. -- lower-class (vs. upper-class). [ WordNet 1.5 ]
2. characteristic of the lower classes. [ Narrower terms: non-U, vulgar ] PJC ]