'split second' definitions:

Definition of 'split second'

noun

A very short time (as the time it takes the eye to blink or the heart to beat); "if I had the chance I'd do it in a flash" [syn: blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling, wink, New York minute]

Synonyms of 'split second'

From: Moby Thesaurus

breath,
breathing,
coup,
crack,
flash,
half a jiffy,
half a mo,
half a second,
half a shake,
instant,
jiff,
jiffy,
microsecond,
millisecond,
minute,
moment,
sec,
second,
shake,
stroke,
tick,
trice,
twink,
twinkle,
twinkling,
twitch,
two shakes,
wink

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