overquick
overfast
overswiftly
overquickly
overpromptly
headlong
hasty
overhurriedly
overhasty
overhastily
overspeedy
allegro non troppo
overslow
overhurried
overhurry
nippy
nineteen to the dozen
overswift
in quick sticks
at a rate of knots
overhasten
overstrenuously
rapid
in haste
velocious
preproperate
fastish
like the clappers
with dispatch
overreadily
speedily
quick as a wink
hastily
on the pdq
velocitous
overhaste
swift
volley
overdaintily
like a rat up a drainpipe
overminutely
high-tempo
overminute
tearing
with a quickness
exponentially
before you can say knife
before you can say Jack Robinson
speedful
precipitate
overprotracted
full tilt
nippily
hie
previous
whisk
ultraquick
premature
hell-for-leather
at speed
prestissimo
apace
overfastidious
overlong
quick
quickly
nonfast
hand over hand
accelerate
nonrapid
talk a mile a minute
wallop
unrapid
forthright
oversmoothly
rap
hotfoot it
furiously
before one knows where one is
splitting
hot
flash
zippy
overaccelerate
scoot
scud
whurry
overparticular
dash
dart
shoot
full pelt
speed
toot suite
like sixty
overhastened
briskly