Pronunciation: ( jim'dan'dē), [key]
—adj., n., pl. -dies. Informal.
of superior quality; excellent: a jim-dandy sports car.
something of superior quality or that is an excellent example of its kind: The new infirmary is a real jim-dandy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.