The Clue
Billow (8 letter answer)
The Answer
UNDULATE
Tags
Notes
The answer UNDULATE is so rare that it appears less than once every 2500 puzzles.
Related Clues
Ripple
Make waves
Definition
UNDULATE as a verb:
1. (ripple, ruffle, riffle, cockle, undulate) = stir up (water) so as to form ripples
2. (roll, undulate) = occur in soft rounded shapes; "The hills rolled past"
3. (roll, undulate, flap, wave) = move in a wavy pattern or with a rising and falling motion; "The curtains undulated"; "the waves rolled towards the beach"
4. increase and decrease in volume or pitch, as if in waves; "The singer's voice undulated"
UNDULATE as an adjective:
1. having a wavy margin and rippled surface