unstablewall

noun
UK /ʌnˈsteɪ.bəl wɔːl/
US /ʌnˈsteɪ.bəl wɔːl/

A wall that is not strong or steady and might fall down.

The builders put a fence around the unstable wall so nobody would get hurt.


OTHER MEANINGS

2. A wall in a video game or puzzle that can break or move.

He pushed the block into the unstable wall to open a new path.

3. A situation or rule that could easily fail or change.

The agreement was an unstable wall between the two teams.

4. A wall in a building that needs fixing before it is safe.

The inspector marked the unstable wall with a red warning sign.