split-sec·​ond | \ ˈsplit-ˈse-kənd How to pronounce split-second (audio) \

Definition of split-second

 (Entry 1 of 2)

1 : occurring in a split second a split-second decision
2 : extremely precise split-second timing

split second


Definition of split second (Entry 2 of 2)

: a fractional part of a second : flash

Examples of split-second in a Sentence

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: Noun The doorbell camera captures the small dog turning around and facing the bear for a split second, before coming inside. Orlando Sentinel, 29 Apr. 2022 But what began as a usual bus ride for a group of middle-schoolers in Albuquerque turned chilling in a split second. Washington Post, 28 Apr. 2022 Thanks to energy stored in their front leg joints, the males of a species of orb-weaving spiders called Philoponella prominens can catapult themselves off of a ravenous mate in a split second. Jack Tamisiea, Scientific American, 25 Apr. 2022 At Talladega Superspeedway, one’s luck can change in a split second. al, 22 Apr. 2022 Forget, at least for one split second, red, blue, left, right, pro-Trump, anti-Trump. Calvin Woodward, The Christian Science Monitor, 4 Jan. 2022 Without access to a red pill, Bugs joins minds with Trinity in order to guide her out of the Matrix, and for a split second Trinity inhabits the body of Tiffany and Bugs. Robert Daniels, Vulture, 22 Dec. 2021 What caused Holmes in that one split second to consciously tip from integrity to faking it? Sabrina Horn, Fortune, 30 Nov. 2021 With a few less connections, her routine still included release moves that require split second timing but earned a lower start value. Alice Park/tokyo, Time, 1 Aug. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'split-second.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of split-second


1944, in the meaning defined at sense 1


1912, in the meaning defined above

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Time Traveler for split-second

Time Traveler

The first known use of split-second was in 1912

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Dictionary Entries Near split-second

split screen


split second

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Cite this Entry

“Split-second.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/split-second. Accessed 16 May. 2022.

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