energetic and fast
a brisk pace
fresh and invigorating
brisk weather
keenly alert; lively
Wearing a flower in his button-hole, and carrying a jaunty little cane in his hand – brisk, rosy, smiling, perfumed – the Captain's appearance brightened the dreary room — Wilkie Collins
sharp in tone or manner
I found her a little too brisk for my liking
briskly adv
briskness noun
[prob modification of French brusque: see brusque]