upper crust

American  

noun

1. the topmost layer of crust, as of a pie.

2. Informal. the highest social class.

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upper crust British  

noun

1. informal the upper class

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upper crust Cultural  

1. Upper class: “The upper crust often have at least one summer house.”

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upper crust Idioms  

1. The highest social class, as in She wanted badly to be one of the upper crust but it wasn't going to happen. This term alludes to the choicest part of a pie or loaf of bread. [First half of 1800s]

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Other Word Forms

• upper-crust
  adjective

Etymology

Origin of upper crust

First recorded in 1425–75; late Middle English; 1830–35 upper crust for def. 2

Example Sentences

See Examples For:

upper crust

Thucydides was a political analyst from Athens’s upper crust, an insider breaking down the Greeks’ drama in search of the “truest cause” of events.

From The Wall Street Journal ● Nov. 21, 2025

His debut novel, “The Undoing of Alejandro Velasco,” a contemporary mystery set amid the Mexican upper crust in the picturesque town of San Miguel de Allende, is out Thursday via Amazon Crossing.

From Los Angeles Times ● Apr. 30, 2025

The melts were buoyant and ascended back to the upper crust, trapping the heat-producing elements there in rocks like granite and allowing the lower crust to cool and harden.

From Science Daily ● May 8, 2024

Having acquired a reliable fence and ingratiated himself in the upper crust of society.

From Slate ● Dec. 28, 2023

I’ve heard enough from Baltimore’s upper crust, and I aim to find my own answers.

From "Dread Nation" by Justina Ireland

Related Words

• aristocracy
• blue blood
• jet set
• upper class