To seal or close an opening, doorway, or window permanently by building a wall across it.
"The old cellar entrance had been walled up decades ago."
To seal an opening such as a doorway, window, or passage by filling it with bricks or a wall.
Fill a door or window with bricks or plaster so you can't use it anymore.
2 meanings, ordered from most common to least. Color-coded by CEFR level.
To seal or close an opening, doorway, or window permanently by building a wall across it.
"The old cellar entrance had been walled up decades ago."
(Historical/literary) To imprison someone by entombing them inside a wall or sealed chamber.
"In the story, the villain walls up his enemy alive inside the castle dungeon."
I had walled the monster up within the tomb!
— Edgar Allan Poe, 'The Black Cat', 1843
To build a wall upward to fill a space.
Fill a door or window with bricks or plaster so you can't use it anymore.
Often used in historical and Gothic contexts, including the macabre idea of entombing someone alive (as in Edgar Allan Poe's works). Also used in practical renovation/construction contexts.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
Listen to native speakers using "wall up" in real YouTube videos — click a clip to watch it on Looplines.
Swap in when you want variety — tap a linked one to explore it.
Jump to every phrasal verb built on the same verb, particle, or level.