from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Resembling waves in occurrence, appearance, or motion.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having the characteristics of a wave; wavelike

from the GNU version of the Collaborative International Dictionary of English

  • adj. Undulating.

from The Century Dictionary and Cyclopedia

  • Undulating; undulatory.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. resembling waves in form or outline or motion


Sorry, no etymologies found.


  • The student, whose name and gender has not been disclosed by Texas A&M to Sunshine, apparently came down with the disease, also known as undulant fever, attempting to clean what is called a Madison Aerosol Chamber (MAC) where mice had been exposed to aerosolized brucella particles.

    Texas A&M Hid Facts About Stricken Biolab Student

  • Was the "undulant" philosophy of Monsieur de Montaigne, in collusion with this dislocating time, at work upon him, that, following with only too entire a mobility the experience of the hour, he found himself more than he could have thought possible the toy of external accident?

    Gaston de Latour; an unfinished romance

  • In the distance, over at the deep end, Aurelio's crew is doing as instructed, forming a brigade to empty their jerry cans, creating undulant and planar rainbows of mower gas.


  • The cello joins in with a pensive melodic line that responds to the violin, while the piano gradually prods the music forward with undulant riffs.

    A New Williams Work for a Momentous Occasion - The Caucus Blog -

  • In the background were undulant palm fronds, and the blunt, inky silhouette of a promontory, unmistakably Diamond Head.

    Happy Landings

  • No one has gone any further with this, and the electricity of her song about beards, listing, growing more undulant, crescendos.


  • Ghost rains sweep down, smearing his rugged sides, yet on he writhes, undulant with pine and palm, gleaming until his low, sharp head and lambent tongue, grown gray and pale and silver in the dying day, kisses the molten gold of the golden sea.


  • His mouth agape, the volcanic release from within climbing up his throat, pouring out of him, an undulant wave sweeping over, through, and around his body.

    CSI: Crime Scene Investigation: Skin Deep

  • To get those undulant tastes that strike a deep chord rather than the superficial tastes you get with modern food, that for me is exciting, it's almost like I'm a culinary archeologist.

    One night in Bangkok on the trail of Thai street food

  • Hills rose in undulant mounds all around us, but Jamie had chosen a high spot, with a good view of the road from the village.

    Sick Cycle Carousel


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  • Meaning wavelike in motion or appearance.

    February 8, 2008

  • really? I thought "ant" was a present participle formation, which would make undare or undulare (verbs) more likely the root?

    March 31, 2007

  • Undulant is from Late Latin undula, "a small wave," diminutive of Latin unda, "wave."

    March 30, 2007