keenness

There is a degree of evenness and keenness of cutting and clean insertion beyond which it is not possible to go.

Though dining on a train was no novelty to the girls, they never lost the keenness of their first delight in the experience.

Marlborough had formerly made himself conspicuous by the keenness and pertinacity with which he had attacked the Dutch.

The custom which the Welshmen brought to the town easily accounts for the keenness of the competition to secure the market.

In arguing points of law he had the tenacity of a bull-dog and the keenness of a sleuth-hound.