middle-class adjective 2middle class noun 2forms 3 adjective2 •Occupying a position between the working class and the upper class. •Characteristic of the middle class(es); reflective of that class's values and aspirations. Commonly associated with a desire for social respectability and an emphasis on family values and education. middle class noun2 •A social and economic class lying above the working class and below the upper class.All this has led to an explosion of protest across China, including among a middle class that has discovered nimbyism. — 2013 •[in the plural] The groups in society composed of professionals, semi-professionals, and lower to middle managerial level workers. formsmiddle classes · more middle-class · most middle-class