The quality of being quick and light in movement or action.
Nimblenesses is usually a good thing because it means someone can move and act quickly and easily.
Examples:
Her nimblenesses allowed her to dodge the ball easily.
The nimblenesses of the cat amazed the children.
He envied the nimblenesses of the gymnast.
The nimblenesses of the squirrel made everyone laugh.
The nimblenesses of the ninja were legendary.
The nimblenesses of the dancer were like magic.