as in instantaneous
done or occurring without any noticeable lapse in time
a day trader who is used to making split-second decisions
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
as in minute
a very small space of time
a devastating accident can cause everything in your life to change in a split second
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of split-second
Brianna Zigler,
Entertainment Weekly,
15 June 2026
Arroyo’s shot at redemption came two pitches later when Diamondbacks third baseman Nolan Arenado hit a similar grounder to his left, took a split-second longer to throw the ball, took a little off of it and threw it on target to Steer at first, ending the game.
—
C. Trent Rosecrans,
New York Times,
14 June 2026
Jordan Greene,
PEOPLE,
2 June 2026
In a split second, an executive in New York can be on a call with another leader in Singapore.
—
Julian Hayes Ii,
Forbes.com,
1 June 2026
See All Example Sentences for split-second
Adjective
But the second-scariest part of this opening scene comes shortly after the scene has already ended, when a split-second jump scare reveals what Katie looked like after Samara killed her.
—
Brianna Zigler,
Entertainment Weekly,
15 June 2026
Arroyo’s shot at redemption came two pitches later when Diamondbacks third baseman Nolan Arenado hit a similar grounder to his left, took a split-second longer to throw the ball, took a little off of it and threw it on target to Steer at first, ending the game.
—
C. Trent Rosecrans,
New York Times,
14 June 2026
Noun
Then, in a split second at just 14 years old, everything changed.
—
Jordan Greene,
PEOPLE,
2 June 2026
In a split second, an executive in New York can be on a call with another leader in Singapore.
—
Julian Hayes Ii,
Forbes.com,
1 June 2026
See All Example Sentences for split-second
Recent Examples of Synonyms for split-second
Adjective
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This automates the quality assurance process, replacing slow manual review with instantaneous digital flows.
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With the craft's communications failing within the first two hours, the submersible imploded upon descent, resulting in their instantaneous deaths.
Noun
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And when Cape Verde’s Deroy Duarte evened the score with a right footed shot from a difficult angle at the 59-minute mark, the stunned stadium went silent, minus two small spirited clots of Cape Verde fans in the East end zone seats.
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Niehues fired home the rebound for the opening goal in the 36th minute.
Adjective
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The report's authors said the case highlights the importance of seeking immediate medical evaluation after any direct contact with a bat, even if there is no visible bite or scratch.
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The tang of the sauce was eye-widening and immediate, crackling with the bright, citrusy charge of tomatillos and serrano chiles.
Noun
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On Sunday night at Dickies Arena, Rush played the second of their four-performance run scheduled for Fort Worth to a soldout audience.
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The game starts with a 60-second contest to disrobe mannequins decked out in layered bras.
Adjective
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The instant demand surge for their services has allowed bottom cleaning teams to up their fees by a few thousand dollars.
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Davis aimed to make Arista an instant major; one able to compete with his former employer as well as labels including Atlantic Records and RCA.
Noun
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Key moment The Dream controlled the game early.
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Because she had already been assessed a technical foul moments earlier, the shove counted as her second of the night, earning an automatic ejection.
Noun
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Symptoms can include shortness of breath, fatigue and weakness, and a rapid or irregular heartbeat.
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The report listed the probable cause of death as an abnormal heartbeat tied to an underlying condition, systemic sarcoidosis.
Cite this Entry
“Split-second.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/split-second. Accessed 5 Jul. 2026.
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