Wiktionary
curviness
n. The state or condition of being curvy.
Usage examples of "curviness".
She would have preferred Luna's willowy build, or Jaine's more delicate curviness, but all in all was satisfied with herself.
There were specifications giving the limits of size, weight, color, water content—even curviness as determined by a procedure spelled out in detail—that defined what was a permissible iliacen.
While Joy’s was a tight fighting body, Alison’s had the natural curviness to define it as a modern stereotypically feminine build.
Tharlean ground autos were generally simpler and less ostentatious than Terran designs, though with the same proclivity for curviness that was evident in the architecture and the boats.