upper class UK US noun [S] ECONOMICS
► a social group consisting of the people who have the highest social rank and who are usually rich: »
The upper classes usually send their children to private schools.
→ Compare LOWER-CLASS(Cf. ↑lower-class), THE MIDDLE CLASS(Cf. ↑the middle class), WORKING-CLASS(Cf. ↑working-class)
upper-class adjective
► »
She comes from a very upper-class family.
Financial and business terms. 2012.