undulate

/ˈʌndjʊlˌe‍ɪt/

/ˈəndʒəˌɫeɪt/

to undulate

MAIN VERB

to cause a surface to form small waves or ripples

synonyms : cockle

to fluctuate in volume or pitch in a wave-like pattern

move in a wavy pattern or with a rising and falling motion

synonyms : flap

occur in soft rounded shapes

synonyms : roll

undulate

having a wavy margin and rippled surface

Examples

1. Their tail also undulates like a snake or an alligator swimming.

2. It undulates.

3. The lines are undulating over and under, in and out.

4. And so it undulates.