PDQ

agile brisk hot nimble quick rapid swift

accelerated active dashing electric flashing fleet fleeting flying hurried racing ready snap split-second winged

blue streak breakneck double-time expeditious expeditive hairtrigger hasty hypersonic in a jiffy in nothing flat lickety split like a bat out of hell like all get out like crazy like mad on the double posthaste presto pronto screamin' snappy speedball supersonic velocious

clumsy slow

dull

plodding tardy unhurried

abrupt careless expeditious hurried ill-advised impulsive quick rapid reckless sudden swift urgent

agile brash breakneck brief brisk cursory eager fast fiery fleet fleeting foolhardy harefooted headlong heedless impatient impetuous incautious inconsiderate madcap on the double passing perfunctory precipitate prompt pronto quickened quickie rash rushed short slambang slapdash snappy superficial thoughtless

careful cautious kind leisurely slow sluggish thoughtful wise

delayed lazy lingering loitering

directly forthwith instantly promptly rapidly shortly soon urgently

now

anon at short notice away double-time hereupon in a New York minute in a flash in a jiffy in nothing flat instantaneously instanter like now now or never on the dot on the double on the spot pronto right now soon afterward straight away straight off summarily thereupon this instant this minute tout de suite unhesitatingly without delay without hesitation

later

eventually never

directly immediately instantaneously right away

forthwith now

at once away double-time first off in a flash instanter on a dime pronto right spontaneously straight away there and then this minute tout de suite without delay

later

eventually

today

directly forthwith immediately instantly nowadays straightaway

any more at once at the moment at this moment at this time away first off here and now in a minute in a moment in nothing flat instanter just now like now momentarily on the double promptly pronto right away right now soon these days this day

eventually later

future past

directly expeditiously hastily instantly quickly rapidly speedily swiftly

pronto

at once fast flat-out fleetly 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