/ Dictionary / Index U undulant: Meaning and Definition of Find definitions for: un•du•lant Pronunciation: (un'ju-lunt, un'dyu-, -du-), [key] — adj. undulating; wavelike in motion or pattern: an undulant edge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: undulant (Thesaurus) undue undulant fever Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language