—adj.
1 quick, lively, keen (a brisk pace; brisk trade).
2 enlivening (a brisk wind).
—v.tr. & intr. (often foll. by up) make or grow brisk.
Derivatives:
brisken v.tr. & intr. briskly adv. briskness n.
Etymology: prob. F brusque BRUSQUE
Useful english dictionary. 2012.