fleetly

quick quickly rapidly soon swift swiftly

apace chop-chop expeditiously flat-out full tilt hastily hurriedly in a flash in haste in nothing flat in short order like a flash like a shot like greased lightning like wildfire posthaste presto promptly pronto

slowly

slow

chop-chop double-time expeditiously fast flat-out full tilt hastily hurried hurriedly in a flash in double time in haste in high gear lickety-split like a shot like greased lightning like wildfire promptly pronto quick quickly rapidly snappily speedily swift swiftly

at once breakneck directly double-quick expeditious flat-out fleet full tilt hastily hasty headlong lickety-split pell-mell promptly pronto quick quickly rapid rapidly speedily speedy straightaway swift swiftly

directly expeditiously hastily instantly quickly rapidly speedily swiftly

pronto

PDQ at once fast flat-out in nothing flat lickety-split like a shot now on the dot on the double on time posthaste punctually right away sharp straightaway unhesitatingly

slowly

late negligently

expeditiously hastily hurriedly immediately instantaneously instantly promptly rapidly speedily swiftly

apace chop-chop quick

briskly flat-out full tilt in a flash in haste in nothing flat in short order lickety-split like a bat out of hell like a flash like a shot pronto swift

eventually later slowly

directly early instantly promptly quickly rapidly shortly speedily

presently

anon any minute now before long betimes by and by coming down the pike ere long expeditiously fast forthwith hastily in a little while in a minute in a second in a short time in due time in short order in time lickety-split on time posthaste pronto quick short

late later

distant far never

expeditiously hastily promptly quickly rapidly speedily

apace double-quick flat-out full tilt hotfoot hurriedly posthaste quick swift without warning

slowly

sluggishly

apace double-quick expeditiously flat-out full tilt hastily hurriedly in no time posthaste promptly quick quickly rapidly speedily without losing time without warning

slowly sluggishly