fast
abrupt
agile
alacritous
alert
apt
breakneck
brief
brisk
cometary
cursory
dashing
decisive
dispatchful
double-quick
eagle-winged
electrifying
expeditious
express
festinate
feverish
flashing
flat-out
fleet
flickering
flying
full tilt
furious
galloping
hair-trigger
hasty
headlong
hurried
hustling
immediate
impetuous
impulsive
instant
instantaneous
last-minute
light of heel
light-footed
lively
mercurial
meteoric
nerve-shattering
nimble
ghost
fence lizard
ironist
meat packer
packer
ridiculer
satirist
bold
gentle
quick
rapid
Clift
Shift
adrift
clift
drift
gift
lift
miffed
riffed
rift
shift
shrift
sift
sniffed
stiffed
thrift
tift