Jet-set and Upper crust

Upper crust and jet-set are semantically related. in high society topic. In some cases you can use "Upper crust" instead a noun phrase "Jet-set", when it comes to topics like high-class persons.

Upper crust noun - Individuals carefully selected as being the best of a class.

Jet-set and upper crust are semantically related. Sometimes you can use "Jet-set" instead a noun phrase "Upper crust".