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.
had been undulating
-
past perfect progressiveof undulate.past perfect progressive
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
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.
Cause of all the hubbub: a zingy Jackie-lookalike, Stephanie Laye Javits, socialite wife of the nephew of New York's Republican Senator Jacob Javits, had been undulating at the Golden Falcon, near Pompano Beach.
From Time Magazine Archive
