2 Words to use with ballooning

It swayed and strained at its guy-ropes, the poles creaked and cracked, and in less time than it takes to tell it, the whole flapping structure had gone down with one ballooning heave, flat upon the ground, covering its inmates with billowing canvas.

Again we see the men with long and pointed whiskers, the women with ballooning skirts, bag nets for the hair, and little bonnets or porkpie hats, a feather raking fore and aft.

2 Words to use with  ballooning