music originating in New Orleans around the beginning of the 20th century and subsequently developing through various increasingly complex styles, generally marked by intricate, propulsive rhythms, polyphonic ensemble playing, improvisatory, virtuosic solos, melodic freedom, and a harmonic idiom ranging from simple diatonicism through chromaticism to atonality.
a style of dance music, popular especially in the 1920s, arranged for a large band and marked by some of the features of jazz.
dancing or a dance performed to such music, as with violent bodily motions and gestures.
Slang. liveliness; spirit; excitement.
Slang. insincere, exaggerated, or pretentious talk: Don't give me any of that jazz about your great job!