Quick and light in movement or action. (adjective)
Quick-witted and alert. (adjective)
Examples of word nimble
We must remain nimble, flexible and prepared to compete as a region.
The suspension is pillow-soft, and a front-wheel-drive car approaching 2 tons can't be called nimble, but the chassis felt tight and Fusion was sure-footed.
Hermod, called the nimble, an older brother of Baldur, said he would go.
Why do we not always build our towns, when we can, on heights, in what Shakespeare calls nimble and sweet air?
It will be observed that the bear, after having pursued me for a few yards, turned and went on his way, but had I not been nimble -- in other words, had I been completely invested by the bear and thrown down -- he might, as the natives would phrase it, have made my wife a widow.