JAZZ

I. noun Usage: often attributive Etymology: origin unknown Date: 1913 1. American music developed especially from ragtime and blues and characterized by propulsive syncopated rhythms, polyphonic ensemble playing, varying degrees of improvisation, and often deliberate distortions of pitch and timbre, popular dance music influenced by ~ and played in a loud rhythmic manner, empty talk ; humbug , similar but unspecified things ; stuff , ~like adjective II. verb Date: 1917 transitive verb 1. enliven , accelerate , to play in the manner of ~, intransitive verb to go here and there ; gad , to dance to or play ~