Flight’y, a.
(flĭt’ÿ), a. 1. Fleeting; swift; transient.
The flighty purpose never is o’ertook, Unless the deed go with it. Shak.
Sense 2. Indulging in flights, or wild and unrestrained sallies, of imagination, humor, caprice, &c.; given to disordered fancies and extravagant conduct; volatile, giddy.
Proofs of my flighty and paradoxical turn of mind. Coleridge.
The younger branches of the nobility . . . denounced the holy monk as a harsh disciplinarian and a flighty enthusiast. J. S. Harford.