RichThesaurus
exponentially
exponentially
synonyms
swiftly
speedily
rapidly
quickly
in no time (at all)
at an amazing rate
by leaps and bounds
lightningly
quick as a flash
lightning fast
briskly
full tilt
furiously
apace
forthright
smartly
chop-chop
feverishly
fastly
lively
in the wink of an eye
precipitously
quick
fast
hell-for-leather
toot suite
posthaste
double-quick
lickety-split
in short order
pronto
fleetly
nippily
balls-out
hastily
tidely
right
glegly
quicksome
right away
straight away
soon
presently
hurryingly
head over heels
all of a sudden
in a snap
promptly
shortly
hotfoot
more synonyms
exponentially
antonyms
slowly