Definitions

1. adjective

more lively and imaginative; more lively or spirited in movement or action

“The jazzier version of the song was preferred by the audience.”

2. comparative form

comparing two things; used to compare the degree of something

“The new restaurant is jazzier than the old one, with more modern decorations.”

3. superlative form

comparing more than two things; used to compare the degree of something

“This is the jazziest club in town, with the best live music.”