Pronunciation: (graj'OO-ā"tid),[key] —adj. 1. characterized by or arranged in degrees, esp. successively, as according to height, depth, or difficulty: a graduated series of lessons. 2. marked with divisions or units of measurement.
3. (of a bird's tail) having the longest feathers in the center, the others being successively shorter.
4. (of a tax) increasing along with the taxable base: a graduated income tax.