What is "bumpiness"

Usage examples of "bumpiness".

The bumpiness was understandable, the drifting smoke being so intense that the pilot could make only a blind guess as to his height above the runway.

Yet there is a softness in the burial ground that sustains his flight, a gentle settled bumpiness that buoys him up with its reminiscence of the dodging spurting runs down a crowded court.

I try to say it the same way he does, still stroking the velvet bumpiness of the dog's neck and back.

He trotted between the widely-spaced trees, his six legs moving with such smooth coordination that Kamoj barely felt the bumpiness of his bi-hooves hitting the ground.