Upper Crust Definition

noun
Webster's New World
The highest social class or group.
American Heritage

Used other than as an idiom: see upper,"Ž crust. The topmost layer of a bread, pastry dish, or other item with a hardened coating.

Wiktionary
adjective

(idiomatic, informal) Posh, upper-class; pertaining to the upper crust.

An upper-crust London party.
They're aiming for a more upper-crust clientele.
Wiktionary

Other Word Forms of Upper Crust

Noun

Singular:
upper crust
Plural:
upper-crusts

Origin of Upper Crust

  • First known use as an idiom: 1836.

    From Wiktionary

Upper Crust Is Also Mentioned In

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Unscrambles

upper crust