jet set noun
Learner's definition of JET SET
the jet set
somewhat old-fashioned
: wealthy people who often travel to different parts of the world（常乘坐飞机旅行的）富豪一族 — jet-setter
/ˈʤɛtˌsɛtɚ/ noun, plural jet-setters [count] — jet-setting
/ˈʤɛtˌsɛtɪŋ/ adjective