upper class
US /ˌʌp.ɚ ˈklæs/
UK /ˌʌp.ɚ ˈklæs/

1.
classe supérieure, haute société
the social group at the highest level in society, typically consisting of people with inherited wealth, high social status, and often aristocratic titles
:
•
The novel satirizes the manners and customs of the upper class.
Le roman satirise les manières et les coutumes de la classe supérieure.
•
She was born into an upper class family.
Elle est née dans une famille de la classe supérieure.
1.
de la classe supérieure, haut de gamme
relating to or characteristic of the upper class
:
•
He spoke with an upper class accent.
Il parlait avec un accent de la classe supérieure.
•
The restaurant has an upper class clientele.
Le restaurant a une clientèle de classe supérieure.