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
Alice Gibbs, MSNBC Newsweek, 10 July 2025
In a split-second decision, Moales says he’s overcome with adrenaline.
—Rebecca Pryor, Baltimore Sun, 9 July 2025
Ella Lee, The Hill, 2 June 2025
For a split second, melting ice cream is dribbling down your own chin—and this is just one drink of many that evoke a specific experience.
—Joseph Hernandez, Bon Appetit Magazine, 30 May 2025
See All Example Sentences for split-second
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Adjective
This would cause problems for global infrastructure like satellite navigation, military systems and global financial markets that rely on split-second precision.
—Alice Gibbs, MSNBC Newsweek, 10 July 2025
In a split-second decision, Moales says he’s overcome with adrenaline.
—Rebecca Pryor, Baltimore Sun, 9 July 2025
Noun
The justices must decide whether courts should assess everything that happened during the traffic stop or just the split seconds when the officer feared for his safety.
—Ella Lee, The Hill, 2 June 2025
For a split second, melting ice cream is dribbling down your own chin—and this is just one drink of many that evoke a specific experience.
—Joseph Hernandez, Bon Appetit Magazine, 30 May 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 18 Jul. 2025.
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