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.
have been undulating
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present perfect progressiveof undulate.present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
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.
A hundred yards away, at his left, there was water, a sea whose smooth rollers might have been undulating liquid emeralds that broke to infinite flashing gems upon the shore.
From Two Thousand Miles Below by Charles Willard Diffin
We did not have a 38 multitude of waves in sight, but the sea floor itself might have been undulating.
From The Sea and the Jungle by H. M. (Henry Major) Tomlinson
