lightheadedness

2 definitions found

lightheadedness - Collaborative International Dictionary of English v.0.48 :

  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]

lightheadedness - WordNet (r) 2.1 (2005) :

  lightheadedness
      n 1: a reeling sensation; a feeling that you are about to fall
           [syn: dizziness, giddiness, lightheadedness,
           vertigo]
      2: a frivolous lack of prudence