Synonyms of rapidly in English:


See definition of rapidly


1‘he drove rapidly to the scene of the accident’

quickly, fast, swiftly, speedily, at speed, at full speed, at the speed of light, post-haste, hotfoot, at full tilt, as fast as one's legs can carry one, at a gallop, expeditiously, briskly, promptly
hurriedly, in a hurry, fast and furious, hastily, in haste, in a rush, precipitately, abruptly
informal like a shot, double quick, p.d.q., pretty damn quick, before one can say Jack Robinson, in a flash, hell for leather, at warp speed, pronto, at the double, like a bat out of hell, like lightning, like greased lightning, like a madman, like a madwoman, like mad, like crazy, like blazes, like a streak, like the wind, like a bomb, like nobody's business, like a scalded cat, like the deuce, a mile a minute, before the ink is dry on the page, before one can say knife
British informal like the clappers, at a rate of knots, like billy-o
North American informal lickety-split
literary apace