n [ sing + sing/pl v ] (also the upper middle classes [ pl ])
the class of people in British society between the middle class and the upper class . Its members include people such as company directors, professors or barristers , who have a high social status and may earn a lot of money. In modern Britain, however, it is less common to identify people in this way.
► upper-middle-class adj :
an upper-middle-class lifestyle/background