Definition.com
The Upper class is the aristocratic guardians of the gracious life, largely descended from nineteenth-century robber barons, slave owners, profiteers, fur traders, oilmen or dry-goods merchants.
The Upper class is the aristocratic guardians of the gracious life, largely descended from nineteenth-century robber barons, slave owners, profiteers, fur traders, oilmen or dry-goods merchants.

The Upper class is the hereditary gentry worshiped by F. Scott Fitzgerald in a bygone age.