Light-headed
Pronunciation : Light"-head`ed
Part of Speech : a.
Definition : 1. Disordered in the head; dilirious. Walpole.
2. Thoughtless; heedless; volatile; unsteady; fickle; loose. "Light- headed, weak men." Clarendon. -- Light"-head`ed*ness, n.
Source : Webster's Unabridged Dictionary, 1913