undulate
verb (used without object)
to move with a sinuous or wavelike motion; display a smooth rising-and-falling or side-to-side alternation of movement.
is undulating
-
present progressiveof undulate (3rd person singular).present progressive
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Hummocky terrain is undulating and uneven topography that results from the ground being disturbed.
From Textbooks ● Jan. 1, 2017
“We can control how fast it is undulating and how fast it is swimming.”
From The Wall Street Journal ● Jul. 7, 2016
Each slab is undulating and unique – the First Amendment resembles the tip of a key; the Second Amendment, a pregnant woman’s profile.
From New York Times ● Dec. 11, 2012
At best, the valley is undulating hills, crisscrossed by vines and awash in wildflowers — a stunningly beautiful landscape studded with small towns.
From New York Times ● May 21, 2012
The country around is undulating, but on the whole flat.
From Cities of the Dawn by J. Ewing (James Ewing) Ritchie
