vt to make dizzy or unsteady.
2. giddy ·vi to reel; to whirl.
3. giddy ·superl promoting or inducing giddiness; as, a giddy height; a giddy precipice.
4. giddy ·superl characterized by inconstancy; unstable; changeable; fickle; wild; thoughtless; heedless.
5. giddy ·superl bewildering on account of rapid turning; running round with celerity; gyratory; whirling.
6. giddy ·superl 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.