right now
in the twinkling of an eye
tout de suite
right
in the blink of an eye
instanter
presently
most Rikki-Tik
stat
at once
tatkal
instant
this instant
out of the chute
off the rip
off the bat
straight out of the chute
at a moment's notice
right off
at one stroke
this minute
forthwith
⠊⠍⠍
at the drop of a hat
on the nail
immediate
slap-bang
right away
straight away
incontinent
in the wink of an eye
proximally
insta-
straightly
offhand
on the double
shine
nowish
pronto
⠁⠇⠗
dy
now-now
flash
toot suite
immediately
lightning fast
lightningly
instantly
just yet
blazingly