English · Phrasal verb Attested

class up

In real, traceable use. Part of the curated seed collection; community review is coming.

Both English Tiếng Việt

Meaning · English

To make more classy or sophisticated

Nghĩa · Tiếng Việt

Làm cho sang trọng hơn

Machine-translated — suggest a fix

Where it’s used: Used American English

to class up the joint

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “class up” mean?

To make more classy or sophisticated

Is “class up” formal or informal?

class up is generally informal.

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