brick wall
The term "brick wall" can describe both a literal structure made of bricks and various metaphorical barriers or obstacles.
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Definition
A2Construction
(literal)A structure built using bricks, typically for buildings or barriers.
Example
- The house had a sturdy brick wall around the garden.
B2Metaphor
(figurative)An obstacle or barrier that is difficult or impossible to overcome.
Example
- They hit a brick wall in their negotiations and couldn't reach an agreement.
C1Sound Engineering
(technical)A type of filter with a steep cutoff used to eliminate unwanted frequencies from digital audio.
Similar
Terms that have similar or relatively close meanings to "brick wall":
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