apace
at speed
feverishly
speedingly
with a quickness
briskly
at a rate of knots
quickly
rapidly
like a rat up a drainpipe
superspeedy
like the wind
good lick
fast
nippy
hand over hand
hot
velocious
splitting
zippy
at full tilt
like shit through a goose
before you can say knife
speedfully
before you can say Jack Robinson
pacey
high-tempo
amain
velocitous
in quick sticks
furiously
speed of light
faster than Minute Rice
fastish
blazing
blistering
volley
mile-a-minute
bullet
nineteen to the dozen
flying
fast-flying
quick as a flash
superquick
superspeed
swift
prestissimo
full tilt
exponentially
acceleratedly
rake
like a scalded dog
blazingly
lightning fast
like a scalded cat
lightningly
like a raped ape
rate
uptempo
quicker than scat
expeditious
in short order
overspeedy
superfast
hyperfast
pokey
tachy-
forthright
hell-for-leather
full pelt
in no time
like winkin
mile a minute
A.
off like a bride's nightie
fast-moving
ultrarapid
smartish
belive
dartingly
double quick
streak
allegro non troppo
balls-out
lightspeed
double time
lickety
lightning-quick
like winking
run
whip through
quick as a wink
with dispatch
in full flow
speedily
on the pdq
like a dose of salts