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
Rahul Saluja, Forbes, 28 Oct. 2024
Pitchers have forever been licking their fingers and clutching rosin bags to help with grip; these days, camera technology and data analysis have put a premium on players who can also impart enough spin to make the ball run, ride, cut, carry, sink, tunnel, and bore along a split-second flight path.
—Zach Schonbrun, The Atlantic, 28 Oct. 2024
Josh Max, Forbes, 18 Oct. 2024
The impulse pauses for a split second before spreading down the bundle of His into the left and right branches within each ventricle.
—Christopher Lee, Verywell Health, 25 Sep. 2024
See all Example Sentences for split-second 
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Adjective
Much like the world of Formula 1 racing, modern healthcare is now about speed, data and split-second decisions—and AI is accelerating this shift.
—Rahul Saluja, Forbes, 28 Oct. 2024
Pitchers have forever been licking their fingers and clutching rosin bags to help with grip; these days, camera technology and data analysis have put a premium on players who can also impart enough spin to make the ball run, ride, cut, carry, sink, tunnel, and bore along a split-second flight path.
—Zach Schonbrun, The Atlantic, 28 Oct. 2024
Noun
The steering is sure but not overly sharp, the acceleration is solid but not hasty, the brakes stop you in a split second.
—Josh Max, Forbes, 18 Oct. 2024
The impulse pauses for a split second before spreading down the bundle of His into the left and right branches within each ventricle.
—Christopher Lee, Verywell Health, 25 Sep. 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 16 Nov. 2024.
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