swiftly Synonyms

fleetly like greased lightning straight off straightaway chop-chop in short order flat out like crazy like mad right away like a shot tantivy trippingly instantaneously at once suddenly against the clock all at once all of a sudden meteorologically hurriedly in a flash in a trice at full speed at the speed of light with all speed without delay snappily pronto precipitously post haste on the double in haste full tilt at the double at speed at full tilt expeditiously in no time swift summarily subito instanter immediately hotfoot hastily forthwith fleetingly fastly FAST