fast
apace
rapidly
zippy
high-tempo
at speed
speedfully
quickly
amain
velocitous
feverishly
speedingly
superspeedy
at full tilt
nippy
with a quickness
swift
hand over hand
warp speed
before you can say knife
at a rate of knots
quick as a flash
superquick
lickety-split
before you can say Jack Robinson
tachy-
fastish
pokey
like the wind
in a jiffy
balls-out
lickety
furiously
splitting
rate
smartish
velocious
quicklike
celerity
chop-chop
fastly
in short order
A.
speedily
alert
nineteen to the dozen
lively
merry
bullet
spanking
snappy
allegro non troppo
expressness
brisk
rattling
⠟⠅
swiftly
one-two-three
uptempo
quick as a wink
quicksmart
allegretto
have legs
smartly
pacey
briskly
jildi
speed of light
double time
double quick
with dispatch
on the pdq
like shit through a goose
hot
good lick
red-hot
blistering
posthaste
turn of pace
in quick sticks
quicker than scat
hotfoot
like a scalded dog
like a scalded cat
like a rat up a drainpipe
hasty
skud
superspeed
scud
like a raped ape
headlong
semifast