instantaneousness, immediacy; suddenness, abruptness.
moment, instant, second, minute; twinkling, trice, flash, breath,
crack, jiffy, coup, burst, flash of lightning, stroke of time.
epoch, time; time of day, time of night; hour, minute; very minute
&c, very time, very hour; present time, right time, true time, exact
correct time.
V. be instantaneous &c adj.; twinkle, flash.
Adj. instantaneous, momentary, sudden, immediate, instant, abrupt,
discontinuous, precipitous, precipitant, precipitate; subitaneous†,
hasty; quick as thought, quick as lightning, quick as a flash; rapid as
electricity.
speedy, quick, fast, fleet, swift, lively, blitz; rapid (velocity)
274.
Adv. instantaneously &c adj.; in no time, in less than no time; presto,
subito†, instanter, suddenly, at a stroke, like a shot; in a moment &c
n.. in the blink of an eye, in the twinkling of an eye, in a trice; in
one's tracks; right away; toute a l'heure [Fr.]; at one jump, in the
same breath, per saltum [Lat.], uno saltu [Lat.]; at once, all at once;
plump, slap; at one fell swoop; at the same instant &c n.; immediately
&c (early) 132; extempore, on the moment, on the spot, on the spur of
the moment; no sooner said than done; just then; slap-dash &c (haste)
684.
Phr. touch and go; no sooner said than done.