at a leisurely pace Antonyms

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