gid•dy
Pronunciation: (gid'ē), [key]
— adj., v., -di•er, -di•est, -died, -dy•ing.
—adj.
- affected with vertigo; dizzy.
- attended with or causing dizziness: a giddy climb.
- frivolous and lighthearted; impulsive; flighty: a giddy young person.
—v.t., v.i.
- to make or become giddy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.