adverb
Synonyms: fast 2, flat-out, fleetly, full tilt, hastily, lickety-split, posthaste, quickly, rapidly, swiftly
Idioms: against the clock, hell-bent for leather, like a bat out of hell, like all forty, ||like all get-out, on the double, to beat the band
Contrasted words: deliberately, languidly, leisurely; lazily, lethargically, sluggishly; crawlingly, creepingly
Antonyms: slow, slowly