RichThesaurus
at full speed
at full speed
synonyms
at full tilt
like billy-o
like a bat out of hell
hell for leather
at a rate of knots
like the clappers
like the wind
like crazy
like a bomb
posthaste
like mad
as fast as possible
apace
at breakneck speed
at full pelt
hurriedly
at a lick
like greased lightning
at warp speed
lickety-split
rapidly
hotfoot
in a hurry
expeditiously
like an arrow from a bow
like blazes
flat out
briskly
speedily
quickly
swiftly
without delay
hastily
pell-mell
fast
at the speed of light
on the double
helter-skelter
nippily
like nobody's business
double quick
p.d.q. (pretty damn quick)
in double quick time
a mile a minute
like (greased) lightning
like the deuce
hammer and tongs
headlong
like a scalded cat
hurry-scurry
more synonyms
at full speed
antonyms
slowly
at moderate speed
moderately