To move with a wavelike motion with smooth rising and falling (verb)
Looking for the answer to the USA Today Rootonym clue “To move with a wavelike motion with smooth rising and falling (verb)”? The solution is UNDULATE, a 8-letter word built on the root UND (“wave, flow, overflow”). It appeared in the August 21, 2026 (Friday) USA Today Rootonym. See the full puzzle for that day's other words.
Answer
UNDULATE
UND*****UNDmeans “wave, flow, overflow”
In a sentence
Whale watchers will observe antics of these mammals as they UNDULATE in the ocean.
About this clue
The Rootonym clue “To move with a wavelike motion with smooth rising and falling (verb)” has the answer UNDULATE (8 letters), built on the root UND, which means “wave, flow, overflow”. Browse the full August 21, 2026 Rootonym puzzle for the other three words, or see all Rootonym answers.