ISEE/SSAT Vocabulary Builder›Words›U›undulate
ISEE/SSAThard
undulate
to move in a smooth, wave-like motion
Synonyms
- ripple
- wave
- billow
Antonyms
- flatten
- straighten
- stiffen
undulate in a sentence
Tall grass began to undulate in the evening wind.
The silk banners undulated above the crowded street.
Where it comes from
From Latin undula, meaning 'little wave.'
Memory hook
UNDULATE has U-shaped dips: picture a line rising and falling in waves.
Read it in context
- Against the Metal Arts