GID'DY, a. Vertiginous; reeling; whirling; having in the head a sensation of a circular motion or swimming; or having lost the power of preserving the balance of the body, and therefore wavering and inclined to fall, as in the case of some diseases and of drunkenness. In walking on timber aloft, or looking down a precipice, we are apt to be giddy.

1. That renders giddy; that induces giddiness; as a giddy highth; a giddy precipice.

2. Rotary; whirling; running round with celerity.

The giddy motion of the whirling mill.

3. Inconstant; unstable; changeable.

You are as giddy and volatile as ever.

4. Heedless; thoughtless; wild; roving.

5. Tottering; unfixed.

As we have paced along

Upon the giddy footing of the hatches.

6. Intoxicated; elated to thoughtlessness; rendered wild by excitement or joy.

Art thou not giddy with the fashion too?

GID'DY, v.i. To turn quick.

GID'DY, v.t. To make reeling or unsteady.