sharp-witted

“Everything for someone like Christopher is over-stimulation,” Sharp says.

A sob rose in her throat, and broke from her lips transformed into a trembling, sharp, glad cry.

It was one of those long moments that makes a fellow draw his breath sharp when he thinks about it afterward.

Mrs. Vivian had hardly spoken when the sharp little vibration of her door-bell was heard in the hall.

Whatever you do, don't write a word to that Carr friend of yours; he's as sharp as a two-edged sword.

The farmer told him it was six miles; "but," he added, "you must ride sharp, or you will get a wet jacket before you reach it."