billowy
- s  characterized by great swelling waves or surges
                    
                        
                            
billowy storm clouds 
- Occasionally Billy lumbers over to another part of the yard--his massive gray body, wrinkled skin and billowy, fanlike ears intimidating yet at the same time irresistible.
 - Green and white robed Meharis swooped in billowy formation, borne by swift camels.
 - The billowy, shapeless tent dress caused more than a few raised eyebrows when it first appeared in the spring "tentlike" not being the kindest description one can give a .