She has a curveless figure.

The curvedness of the road made it difficult to drive.

She curvetted gracefully across the stage.

The horse was curvetting gracefully in the field.

She watched the horse's curvetting in awe.

The straight line represents curvelessness.

The curvettings in the horse show were impressive.

The horses performed graceful curvetings in the arena.

She walked curvedly along the path.

She has a curvesome figure.