in the blink of an eye
in the twinkling of an eye
insta-
instantaneousness
in a flash
instantaneity
right
at a moment's notice
instanter
in the wink of an eye
right now
most Rikki-Tik
at one stroke
pseudoparticle
right off
instant
proximally
tatkal
⠊⠍⠍
flash
straight out of the chute
immediately
on the nail
this instant
instantiable
tout de suite
presently
at once
reflexive
suddenly
immediate
noninstantaneous
acutely
simultaneously
at the same time
startling
erupt
incontinent
break out
stat
forthwith
instantiatable
instantial
on the double
in a snap
autosensing
instantization
explosively
nowish
slap-bang
this minute
shine
then and there
offhand
out of the chute
break into
instancy
off the bat
off the rip
autostart
hereupon
shy
instantaneously
at the drop of a hat
momentarily
all of a sudden
unawares
asudden
code red
mediary
straight away
intermediary
right away
transient
mesne
precipitating
nongradual
occurrent
point
point in time
suddenty
uninstantiated
of a sudden
like a shot
abruptly
superinstantaneous
jump out
dead
on the spur of the moment
gut reaction
short
unripely

English words for 'instantaneous'

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