Definitions

1. noun

A barrier or obstacle that is difficult to overcome or break through.

“Her lack of confidence was like a brickwall that prevented her from pursuing her dreams.”

2. noun

A security measure, typically a system of firewalls or other network protections, used to prevent unauthorized access to a computer system or network.

“The company implemented a brickwall to protect its servers from cyber attacks.”

3. noun

A brick-faced wall, typically of a building.

“The brickwall surrounding the garden was worn and needed repair.”