upper class

noun

1. a class of people above the middle class, having the highest social rank or standing based on wealth, family connections, and the like.

noun

1. the class occupying the highest position in the social hierarchy, esp the wealthy or the aristocracy

adjective (upper-class when prenominal)

2. of or relating to the upper class
3. US education of or relating to the junior or senior classes of a college or high school