Wall up
/wɔːl ʌp/B1
Intermediate
1. To build a wall around something to enclose or protect it.
- They plan to wall up the garden to keep it private.
- The ancient city was walled up for protection against invasions.
2. To block or seal an entrance, passage, or interior by constructing a wall.
- The abandoned door to the basement was walled up years ago.
- They decided to wall up the old fireplace during the renovation.
Synonyms:
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