Lightheadedness

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

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