adv. 25B6; adverb QUICKLY, fast, swiftly, speedily, at the speed of light, post-haste, hotfoot, at full tilt, briskly; hurriedly, hastily, in haste, in a rush, precipitately; informal like a shot, double quick, p.d.q. (pretty damn quick), in a flash, hell for leather, at the double, like a bat out of hell, like (greased) lightning, like mad, like the wind; Brit. informal like the clappers, at a rate of knots, like billy-o; N. Amer. informal lickety-split; poetic/literary apace.
slowly.