1. the quality of being bold, shameless, or impudent; lack of respect or modesty
Usage: uncountable; often used to describe behavior that is shockingly disrespectful or audacious
2. the quality of being made of brass or resembling brass in appearance or sound
Usage: rare; literal or technical use

Examples

• The brazenness of his lie shocked everyone in the room.
• She had the brazenness to interrupt the meeting without apologizing.
• His brazenness in asking for a raise after missing work all week was remarkable.
• The criminal's brazenness in returning to the scene of the crime led to his arrest.
• I admired her brazenness in standing up to the unfair decision.
• The brazenness of the advertisement made many viewers uncomfortable.