1. the quality or state of being made of brass or resembling brass in appearance or sound
2. bold, loud, or aggressive behavior or manner; shameless boldness
Usage: informal
3. a harsh, loud, or blaring quality of sound

Examples

• The brassiness of the trumpet section filled the concert hall.
• She had the brassiness to walk into the meeting uninvited.
• The brassiness of his tone offended many listeners.
• The band's music had a certain brassiness that made it stand out.
• Her brassiness and confidence helped her succeed in a competitive field.
• The brassiness of the metal caught the light beautifully.