verb (used without object), un·du·lat·ed, un·du·lat·ing.
verb (used with object), un·du·lat·ed, un·du·lat·ing.
Origin of undulate
Related formsun·du·la·tor, nounnon·un·du·late, adjectivenon·un·du·lat·ing, adjective
Examples from the Web for undulating
There were stomachs, taut and flat, but also undulating bellies, soft and bloated from the breakfast buffet.Powerful Congressman Writes About ‘Fleshy Breasts’|Asawin Suebsaeng|January 7, 2015|DAILY BEAST
Suddenly, the earth convulses, transforming the level tracks into an undulating rollercoaster.Hayao Miyazaki’s ‘The Wind Rises’: An Anime Icon Bows Out|Andrew Romano|November 15, 2013|DAILY BEAST
There was about it an undulating and aerial grace, such as one might dream of for some mythic and allegorical being.Uncle Tom's Cabin|Harriet Beecher Stowe
Near the creek the land is flat and badly grassed, but back from the creek the land is undulating and well grassed.Journal of Landsborough's Expedition from Carpentaria|William Landsborough
It echoed in undulating waves of sound, dying away hardly, as though it were loth to leave its mournful surroundings.The Hound From The North|Ridgwell Cullum
Upon a milkwhite palfrey, as formerly, sat a noble maiden in bridal state, clothed in undulating robes bordered with fur.Legends of the Rhine|Wilhelm Ruland
It lives largely on undulating ground like Sheep, and frequently lies down during the day on its feeding ground.The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard