billowy

[ bil-oh-ee ]

/ ˈbɪl oʊ i /

characterized by or full of billows; surging: a rough, billowy sea.

Origin of billowy

First recorded in 1605–15; billow + -y¹

bil·low·i·ness, noun

I was wearing a rather huge, billowy Maxi skirt and I must have lost track of exactly where it all was while on loo.

Penis Beakers and Constipated Dolls: What Mothers REALLY Want To Know |Tom Sykes |October 11, 2013 |DAILY BEAST
Over the plains, apparently without end, was a sea of billowy clouds, shimmering with golden and pearly lights.

Your National Parks |Enos A. Mills
The waving of the tree-tops is the billowy movement of a hidden delight.

A Dish Of Orts |George MacDonald
It looked like a billowy sea of cotton-wool, but the airmen who had just emerged from it, had no comfort in its soft embrace.

Round the World in Seven Days |Herbert Strang

By-and-by this vast sheet of mist began to thicken towards the horizon, and to roll forward in billowy volumes.

Narrative And Miscellaneous Papers |Thomas De Quincey
With eager eyes they scanned the landscape of billowy mountains and hills to the east and south.

Si Klegg, Book 4 (of 6) |John McElroy

billowy

/ (ˈbɪləʊɪ) /

full of or forming billows a billowy sea

billowiness, noun