split-sec·ond
ˈsplit-ˈse-kənd 
1
: occurring in a split second
a split-second decision
2
: extremely precise
split-second timing
Synonyms
Examples of split-second in a Sentence
Adjective
a day trader who is used to making split-second decisions
Noun
In a split second, it was all over.
a devastating accident can cause everything in your life to change in a split second
Recent Examples on the Web
Kate Erbland, IndieWire, 13 Dec. 2024
The pediatric dentist must use his or her unique expertise to make split-second decisions when a six-year-old child is squirming in the chair.
—Chris Westfall, Forbes, 6 Dec. 2024
PCMAG, 11 Dec. 2024
Germany showed the danger of giving opponents even a split second of unmarked possession just beyond the box and exploited their defensive indecision.
—Jeff Rueter, The Athletic, 28 July 2024
See all Example Sentences for split-second 
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Adjective
In the film, the news team needs to make split-second decisions that involve not just life or death issues but life or death issues that literally no one ever had to consider putting on live television before the events of September 5.
—Kate Erbland, IndieWire, 13 Dec. 2024
The pediatric dentist must use his or her unique expertise to make split-second decisions when a six-year-old child is squirming in the chair.
—Chris Westfall, Forbes, 6 Dec. 2024
Noun
The focus is fast enough to snap from close to distant subjects in a split second in most instances.
—PCMAG, 11 Dec. 2024
Germany showed the danger of giving opponents even a split second of unmarked possession just beyond the box and exploited their defensive indecision.
—Jeff Rueter, The Athletic, 28 July 2024
See all Example Sentences for split-second
Dictionary Entries Near split-second
Cite this Entry
“Split-second.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/split-second. Accessed 21 Dec. 2024.
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