adjective, jazz·i·er, jazz·i·est.
- pertaining to or suggestive of jazz music.
- Informal. active or lively.
- Informal. fancy or flashy: a jazzy sweater.
adjective jazzier or jazziest informal
- of, characteristic of, or resembling jazz music
- gaudy or flashya jazzy car
adj.
1919, from jazz (n.) + -y (2). Related: Jazzily; jazziness.