12
instant(noun, time, pass, moment, point)
11
jiffy(noun, time, pass, moment, point)
11
flash(noun, time, pass, moment, point)
10
trice(noun, time, pass, moment, point)
10
twinkling(noun, time, pass, moment, point)
10
wink(noun, time, pass, moment, point)
8
moment(noun, time, pass, point, flash)
7
minute(noun, time, pass, moment, point)
6
blink of an eye(noun, time)
6
heartbeat(noun, time)
5
microsecond(noun, time)
5
second(noun, time, pass, moment, point)
5
shake(noun, time, pass, moment, point)
5
tick(noun, time, pass, moment, point)
4
half a mo(noun, expression, idiom)
3
half a second(noun, expression, idiom, time)
3
millisecond(noun, time)
3
sec(noun, time, moment, flash, occasion)
3
two shakes
2
New York minute
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APASmart Define. (2015). split second thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/split_second/thesaurus/synonyms
ChicagoSmart Define. 2015. "split second thesaurus" https://smartdefine.org/split_second/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, split second thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/split_second/thesaurus/synonyms>.
MLASmart Define. "split second thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/split_second/thesaurus/synonyms>