brick wall

Meaning

Noun

1. Used other than figuratively or idiomatically: see brick, wall. A wall made of bricks.
2. (figuratively) An obstacle.
3. A type of anti-aliasing filter with a steep cutoff.
4. (figuratively) Someone who is silent or unresponsive.

Verb

1. To build a brick wall around.
2. To filter using a brick wall filter.
3. To halt or limit abruptly.
4. To be uncooperative and unresponsive.

Synonyms

stone wall

wall