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v. Simple past tense and past participle of undulate.

adj. Resembling, or in the nature of, waves; having a wavy surface; undulatory.

adj. Waved obtusely up and down, near the margin, as a leaf or corolla; wavy.

adj. Formed with elevations and depressions resembling waves; having wavelike color markings.

"The inspiration of these promising fragments was a large, weary-looking person, with no lack of powdered shoulder above her pink bodice and a profusion of "undulated" hair of so decided a blond that it might have been suspected that the decision had lain with the lady herself."

undulatory    wavy   

undulate