upper class
From Longman Dictionary of Contemporary Englishupper classˌupper ˈclass ●○○ noun [singular] (also upper classes [plural]) SSCLASS IN SOCIETYthe group of people who belong to the highest social class —upper-class adjective upper-class families• The upper class is usually followed by a singular verb: The upper class doesn’t want the system to change.• In British English, you can also use a plural verb: The upper class don’t want the system to change.Examples from the Corpusupper class• Constraints on upper class power Scott clearly attributes considerable power to the upper classes in modern Britain.