What is a synonym for jazz?

There isn't one perfect synonym for "jazz" because it encompasses a wide range of musical styles and subgenres. However, depending on the specific context, you could use some of these:

General:

* Improvisational music: This emphasizes the core element of jazz.

* Swing music: While not all jazz is swing, it is a significant subgenre and often associated with the term.

* Hot music: This term was used in the early days of jazz and evokes a sense of excitement and energy.

More specific:

* Bebop: A specific subgenre of jazz known for its fast tempos and complex harmonies.

* Dixieland: A style of jazz from the early 20th century characterized by its use of collective improvisation and New Orleans influences.

* Fusion: A blend of jazz with other genres like rock, funk, or Latin music.

The best synonym depends on the specific situation and the nuance you want to convey.