in haste

quick quickly rapidly soon swift swiftly

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

expeditiously hastily hurriedly immediately instantaneously instantly promptly rapidly speedily swiftly

apace chop-chop quick

briskly flat-out fleetly full tilt in a flash 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

briskly expeditiously fast immediately promptly speedily swiftly

at speed flat out full tilt hastily hurriedly in a hurry in a rush lickety-split like a shot posthaste precipitately with dispatch

slowly sluggishly

leisurely