a type of music of black American origin characterized by improvisation, syncopation, and usually a regular or forceful rhythm, emerging at the beginning of the 20th century. Brass and woodwind instruments and piano are particularly associated with jazz, although guitar and occasionally violin are also used; styles include Dixieland, swing, bebop, and free jazz

a mix of folk, jazz, blues, and pop

a jazz musician

enthusiastic or lively talk, especially when considered exaggerated or insincere

all this jazz about how they can't afford it is preposterous

play or dance to jazz music