The Open Dictionary

the upper crust

noun

UK/ˌʌp.ə ˈkrʌst/
US/ˌʌp.ɚ ˈkrʌst/

Definitions of the upper crust noun

  1. SingularSingular/Plural verb

    People who occupy the highest social stratum and are typically very wealthy.

    • The charity gala attracted many luminaries from the upper crust.

    • Having grown up among the upper crust, she was no stranger to a luxurious lifestyle.

    • The restaurant, known for its exclusive menu and high prices, is a popular haunt for the upper crust.