Synonyms for Jazzy (same or very similar meaning)
WordNet sense 1 (recurring with measured regularity):
rhythmic, rhythmicalWordNet sense 2 ((used especially of clothes) marked by conspicuous display):
flashy, gaudy, showy, sportyWordNet sense 3 (striking in variety and interest):
colorful, colourfulFrom the ODE community, based on WordNetadd/edit