undulating
UK: ˈʌndjʊleɪtɪŋ | US: ˈʌndʒəleɪtɪŋ
adj. moving with a smooth, wavelike motion
v. (present participle of undulate) to rise and fall in waves
The word undulating derives from the Latin unda (meaning "wave"), combined with the verb-forming suffix -ate and the present participle suffix -ing. The root undul- directly evokes the imagery of wave-like motion, which has been preserved in its modern usage to describe rhythmic, flowing movements in nature (e.g., hills, water) or abstract contexts.
The undulating hills stretched endlessly across the landscape.
She danced with undulating grace, her movements fluid and hypnotic.
The flag appeared undulating in the strong wind.
The snake moved in an undulating pattern across the sand.
His voice had an undulating quality, rising and falling like ocean waves.