split-second

1 of 2

adjective

split-sec·​ond ˈsplit-ˈse-kənd How to pronounce split-second (audio)
1
: occurring in a split second
a split-second decision
2
: extremely precise
split-second timing

split second

2 of 2

noun

: a fractional part of a second : flash

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
Adjective
Observing the split-second decisions in racing and the precision of watchmaking has given me fresh perspectives on tackling challenges in my own field. Brendan Keegan, Rolling Stone, 12 Sep. 2024 Autonomous vehicles could make split-second decisions by integrating visual, auditory, and textual data. Sandy Carter, Forbes, 11 Sep. 2024
Noun
But if LaFleur or anyone in Packer Nation forgot about Jones — even for a split second — the standout running back can’t wait to remind them on Sunday. Rob Reischel, Forbes, 24 Sep. 2024 Meaning matters less than recognizability, the split second of understanding the joke. Kyle Chayka, The New Yorker, 17 July 2024 See all Example Sentences for split-second 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'split-second.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

Adjective

1944, in the meaning defined at sense 1

Noun

1912, in the meaning defined above

Time Traveler
The first known use of split-second was in 1912

Dictionary Entries Near split-second

split screen

split-second

split second

Cite this Entry

“Split-second.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/split-second. Accessed 1 Oct. 2024.

Kids Definition

split second

1 of 2 noun
: a small fraction of a second : flash

split-second

2 of 2 adjective
1
: occurring in a split second
a split-second decision
2
: extremely precise
split-second timing
Last Updated: - Updated example sentences
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