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Definition of wall up phrasal verb from the Oxford Advanced Learner's Dictionary

wall up

phrasal verb
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wall somebody up
  1. [usually passive] to keep somebody as a prisoner behind walls
wall something up
  1. [usually passive] to fill an opening with a wall, stones, etc. so that you can no longer use it
    • I could see where the doorway had been walled up.
See wall up in the Oxford Advanced American Dictionary

Nearby words

trait
noun
 
 
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