1. the quality of being lively, energetic, or exciting in style
Usage: informal
2. the quality of having characteristics of jazz music

Examples

• The jazziness of her presentation kept the audience engaged.
• I love the jazziness of this restaurant’s decor.
• The song’s jazziness comes from its syncopated rhythm.
• His writing style has a certain jazziness that makes it fun to read.
• The jazziness of the performance impressed the critics.
• The band’s jazziness set them apart from other rock groups.