Used other than figuratively or idiomatically: see brick, wall. A wall made of bricks.
Someone who is silent or unresponsive.
A type of anti-aliasing filter with a steep cutoff.
An obstacle.
To halt or limit abruptly.
To build a brick wall around.
To be uncooperative and unresponsive.
To filter using a brick wall filter.
Of a liquid containing bubbles: gassy.
Tenuous or indefinite.
Relating to, or existing as gas (matter in an intermediate state between liquid and plasma).