Synonyms for quickly

modified

1. Rapidly

   speedily, swiftly, fast, briskly, fleetly, flying, with dispatch, scurrying, hurrying, rushing, shooting, bolting, darting, flashing, dashing, suddenly, expeditiously, hastily, hurriedly, in haste, in great haste, in a hurry, by forced marches, at a great rate, without delay, under press of sail, in full sail, against the clock, racing, galloping, loping, sweeping, light-footedly, wingedly, like a bat out of hell*, on the double*, like all forty*, in a flash*, in a jiffy*, to beat the band*, at full blast*, in full sail*, hellbent for leather*, like mad*, at one jump*, by leaps and bounds*, like a house afire*, double-time*, like crazy*, like fury*, full steam ahead*, in high gear*.

   Antonyms slowly*, sluggishly, creepingly.

2. Soon

   at once, instantly, promptly, on the nail*, pronto*; see also immediately, soon 1.