Meaning

adjective resembling jazz (especially in its rhythm)

adjective (used especially of clothes) marked by conspicuous display

originEtymology tree English jazz Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English jazzy From jazz + -y.

Etymology from Wiktionary, CC BY-SA 3.0