/huy"fluy"ing/ , adj.
1. moving upward to or along at a considerable height: highflying planes.
2. extravagant or extreme in aims, opinions, etc.; unduly lofty: highflying ideas about life.
3. having a high cost or perceived value: the highflying glamour stocks.
Also, high-flying .
[ 1575-85; HIGH + FLYING ]