Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “wall sth up”

wall sth up

phrasal verb with wall     /wɔːl/ US  /wɑːl/ verb
to fill a space in a wall with brick or stone: We had to wall up an old window.Filling and completing
(Definition of wall sth up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of wall sth up

Browse related topics

You are looking at an entry to do with Filling and completing, but you might be interested in these topics from the Full and empty topic area:

Translations of “wall sth up”

Word of the Day

handout

a document given to students or reporters which contains information about a particular subject

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More