Definitions

1. verb

to move or wave in a wavelike motion, especially with a gentle, rolling motion

“The leaves undulated in the breeze, rustling softly against each other.”

2. verb

to have a wavelike or sinuous shape

“The hills undulated across the countryside, creating a picturesque landscape.”

3. verb

to change or move in a wavelike manner

“The stock market undulated throughout the day, experiencing a series of ups and downs.”

4. noun

a wavelike or sinuous movement or shape

“The undulate of the water created a soothing melody.”