wall up

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

Meaning · English

To seal with a wall.

Where it’s used: Used American English

Examples

They walled up the basement space that had been used as a coal bin.

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 “wall up” mean?

To seal with a wall.

Is “wall up” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.