at a slow pace Antonyms

pronto aggressively against the clock suddenly vigorously instantaneously wantonly swiftly swift like a shot chop-chop in short order post haste on the fly in a flash hurriedly like mad like hell like crazy flat out soon rashly fleetly fleetingly FAST dynamically double-quick cursorily briskly apace hotfoot impulsively madly rapidly rampantly quickly proportionally promptly presto precipitately posthaste abruptly