'Light-headedness' definitions:

Definition of 'Light-headedness'

From: GCIDE
  • Light-headed \Light"-head`ed\ (l[imac]t"h[e^]d`[e^]d), a.
  • 1. Disordered in the head; dizzy; feeling faint; delirious. [WordNet sense 1] --Walpole.
  • Syn: faint, swooning, lightheaded. [1913 Webster + WordNet 1.5]
  • 2. Thoughtless; heedless; volatile; unsteady; fickle; loose; lacking seriousness; given to frivolity; as, light-headed teenagers. [WordNet sense 2] "Light-headed, weak men." --Clarendon.
  • Syn: airheaded, dizzy, empty-headed, featherbrained, giddy, lightheaded, silly. [1913 Webster + WordNet 1.5] -- {Light"-head`ed*ness}, n. [1913 Webster]