giddiest

from The Collaborative International Dictionary of English v.0.48
Giddy \Gid"dy\, a. [Compar. {Giddier}; superl. {Giddiest}.] [OE.
   gidi mad, silly, AS. gidig, of unknown origin, cf. Norw.
   gidda to shake, tremble.]
   [1913 Webster]
   1. Having in the head a sensation of whirling or reeling
      about; having lost the power of preserving the balance of
      the body, and therefore wavering and inclined to fall;
      lightheaded; dizzy.
      [1913 Webster]

            By giddy head and staggering legs betrayed. --Tate.
      [1913 Webster]

   2. Promoting or inducing giddiness; as, a giddy height; a
      giddy precipice. --Prior.
      [1913 Webster]

            Upon the giddy footing of the hatches. --Shak.
      [1913 Webster]

   3. Bewildering on account of rapid turning; running round
      with celerity; gyratory; whirling.
      [1913 Webster]

            The giddy motion of the whirling mill. --Pope.
      [1913 Webster]

   4. Characterized by inconstancy; unstable; changeable;
      fickle; wild; thoughtless; heedless. "Giddy, foolish
      hours." --Rowe. "Giddy chance." --Dryden.
      [1913 Webster]

            Young heads are giddy and young hearts are warm.
                                                  --Cowper.
      [1913 Webster]
    

[email protected]