split-sec·ond
ˈsplit-ˈse-kənd 
1
: occurring in a split second
a split-second decision
2
: extremely precise
split-second timing
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
Patrick Iversen, New York Times, 9 Oct. 2025
Released on the occasion of the Singapore Grand Prix, the choice of the HMC 804 automatic flying tourbillon movement, with its double hairspring designed to improve precision and resilience, is a nod to the split-second accuracy demanded in Formula One.
—Carol Besler, Robb Report, 3 Oct. 2025
Saad Yousuf, New York Times, 9 Oct. 2025
The autonomous technology allows the drones to make decisions in a split second and maneuver as per the changing needs.
—Abhishek Bhardwaj, Interesting Engineering, 6 Oct. 2025
See All Example Sentences for split-second
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Adjective
But then, not every overtake is essential, and that’s where broadcast directors earn their money, making split-second calls about what matters most.
—Patrick Iversen, New York Times, 9 Oct. 2025
Released on the occasion of the Singapore Grand Prix, the choice of the HMC 804 automatic flying tourbillon movement, with its double hairspring designed to improve precision and resilience, is a nod to the split-second accuracy demanded in Formula One.
—Carol Besler, Robb Report, 3 Oct. 2025
Noun
The other element of weirdness here includes George Holani falling on the ball so close to the baseline of the end zone and seemingly having possession for just a split second, which was enough for the officials to rule it a touchdown.
—Saad Yousuf, New York Times, 9 Oct. 2025
The autonomous technology allows the drones to make decisions in a split second and maneuver as per the changing needs.
—Abhishek Bhardwaj, Interesting Engineering, 6 Oct. 2025
See All Example Sentences for split-second
Cite this Entry
“Split-second.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/split-second. Accessed 16 Oct. 2025.
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