Dictionary entry

Light-headed

Webster's Dictionary 1913

Light″–head′ed (–hĕd′ĕd), a. 1. Disordered in the head; dizzy; delirious. Walpole.

2. Thoughtless; heedless; volatile; unsteady; fickle; loose. “Light-headed, weak men.” Clarendon.

— Light″–head′ed‐ness, n.