fastly
quicklike
quicksmart
jildi
one-two-three
smartly
chop-chop
before one knows where one is
⠟⠅
high-tempo
nineteen to the dozen
by the minute
hand over hand
mile a minute
full pelt
like winkin
prestissimo
in no time
forthright
swift
velocitous
hot
zippy
velocious
nippy
at a rate of knots
caustic lime
tachy-
pokey
most Rikki-Tik
quick
briskly
fast
quick as a flash
like sixty
quick-handed
superquick
trucking
fastest
smartish
quickest
hasty
headlong
belive
at speed
full tilt
apace
exponentially
quickenance
blazingly
lightning fast
breeze
lightningly
in a jiffy
quickish
sharpish
quick as a wink
hying
quicker
pacey
quickly
move quickly
with dispatch
lickety-split
fast-flying
flying
faster
on the pdq
speedily
superspeedy
volley
quicksome
streak
wheech
expeditious
quicker than scat
yeet
mend
soon
keen-witted
before you can say Jack Robinson
splitting
hurry
like a dose of salts
dash
before you can say knife
with a quickness
sprint
whisk
posthaste
fastish
like a chicken on a June bug
brisk
merry
alert
lively
rattling