Flight″y (?), a. 1. Fleeting; swift; transient.
The flighty purpose never is o'ertook,
Unless the deed go with it. Shak.
2. Indulging in flights, or wild and unrestrained sallies, of imagination, humor, caprice, etc.; given to disordered fancies and extravagant conduct; volatile; giddy; eccentric; slighty delirious.
Proofs of my flighty and paradoxical turn of mind. Coleridge.
A harsh disciplinarian and a flighty enthusiast. J. S. Harford.