Pronunciation: (flī'tē), [key]
—adj., flight•i•er, flight•i•est.
1. given to flights of fancy; capricious; frivolous.
2. slightly delirious; light-headed; mildly crazy.
3. irresponsible: He said I was too flighty to be a good supervisor.
4. Archaic.swift or fleet.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.