Synonyms of expeditiously

adverbIn an expeditious manner, quickly.

• apaceQuickly, rapidly, with speed.
• fast
• hastily
• hurriedlyIn a hurried manner.
• posthasteQuickly, as fast as someone travelling post; with great speed.
• quicksomeIn a quick or quicksome manner; quickly.
• rapidlyWith speed; in a rapid manner.
• speedilyIn a speedy or fast manner.
• soon
• swiftlyIn a swift manner; quickly; with quick motion or velocity; fleetly.
• with dispatchIn a speedy or fast manner; with celerity or expedition.
• at the high port
• balls-out
• balls to the wall
• crankingThe act by which something is cranked.
• flat out
• full throttleAll out; at maximum speed, effort, or risk.
• haulingHaulage.
• hauling ass
• hell-for-leatherAs fast as possible; recklessly fast.
• hell-bent for leather
• lickety-splitQuickly; as fast as possible; in short order.
• like a bat out of hellWith crazy or excessive intensity or speed.
• like a blue-arsed flyTo be frantic, harried or restless.
• like a dose of saltsVery quickly and thoroughly.
• like a rat up a drainpipeVery rapidly.
• like gangbustersVigorously, rapidly, zealously, or forcibly; in a manner which has considerable impact.
• like shit through a gooseVery fast.
• like the clappersVery hard or very rapidly.
• like there is no tomorrow
• like the wind
• screaming
• before you can say Jack RobinsonVery quickly; quicker than one expects.
• in a flashInstantaneously; very quickly; in almost no time.
• in a jiffyVery quickly; without delay.
• in no time
• in the twinkling of an eyeImmediately; instantaneously.
• in two shakesVery quickly; without delay.
• on the doubleRapidly or immediately.
• PDQ
• prontoQuickly, very soon, promptly.
• quick as a flashExtremely quickly.
• quick as a winkIn a speedy or fast manner.
• on the pdqIn a speedy or fast manner.
• toot sweet