amain
rapidly
speedingly
feverishly
lickety
quickly
speedfully
at speed
apace
at full tilt
superspeedy
lickety split
lickety cut
with a quickness
fast
speedful
lightspeed
balls-out
speed of light
like shit through a goose
superquick
quick as a flash
like a scalded dog
like a raped ape
like a scalded cat
mile-a-minute
celerity
furiously
on the wings of the wind
splitting
bullet
uptempo
blistering
posthaste
faster than Minute Rice
blazing
like the wind
hand over hand
smartish
velocitous
double time
whip and spur
in full flow
post-haste
double quick
nippy
in short order
superspeed
ultrarapid
chop-chop
zippy
warp speed
good lick
speedily
rate
acceleratedly
hurrying
briskly
pacey
scurrying
like a rat up a drainpipe
slam-bang
superfast
prestissimo
hyperfast
A.
hotfoot
pokey
pedal to the metal
tachy-
high-tempo
fast-moving
zippingly
rushingly
volley
quicker than scat
in quick sticks
lightning-quick
hell-for-leather
rush
breakneck
haste
quick as a wink
at a rate of knots
flying
fleet
with dispatch
full fling
streak
fast-flying
swift
on the pdq