Crisp  —adj. 1 hard but brittle. 2 a (of air) bracing. B (of style or manner) lively, brisk and decisive. C (of features etc.) Neat, clear-cut. D (of paper) stiff and crackling. E (of hair) closely curling. —n. (in full potato crisp) potato sliced thinly, fried, and sold in packets. —v. Make or become crisp.  crisply adv. Crispness n. [latin crispus curled]