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
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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
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Recent Examples of split-second
Teri Figueroa, San Diego Union-Tribune, 6 Dec. 2025
Like navigating the split-second decision between shooting or passing, or even holding onto the puck that extra half-second to decide.
—Jonas Siegel, New York Times, 2 Dec. 2025
MSNBC Newsweek, 28 Nov. 2025
According to the company, the M1 robot produces more than 10 kilowatts of power in one burst, equivalent to giving a human-sized machine the power of a motorcycle engine for a split second.
—Atharva Gosavi, Interesting Engineering, 25 Nov. 2025
See All Example Sentences for split-second
Adjective
San Diego is poised to pay $30 million to the family of a teenager who was fatally shot by a San Diego police officer in a split-second encounter outside Santa Fe Depot earlier this year.
—Teri Figueroa, San Diego Union-Tribune, 6 Dec. 2025
Like navigating the split-second decision between shooting or passing, or even holding onto the puck that extra half-second to decide.
—Jonas Siegel, New York Times, 2 Dec. 2025
Noun
That’s roughly equal to about 887 kilograms of force (around 1,956 pounds of force), almost like having the weight of a small car slam into something in a split second.
—MSNBC Newsweek, 28 Nov. 2025
According to the company, the M1 robot produces more than 10 kilowatts of power in one burst, equivalent to giving a human-sized machine the power of a motorcycle engine for a split second.
—Atharva Gosavi, Interesting Engineering, 25 Nov. 2025
See All Example Sentences for split-second
Recent Examples of Synonyms for split-second
Adjective
-
The news cycle has gotten shorter in the 2020s, in large part thanks to social media and the instantaneous spread of information.—
Lev Akabas,
Sportico.com,
8 Jan. 2026
-
But by 2026, the sheer magnitude of the debt means the impact of rate hikes is instantaneous, and thus, counterproductive.—
Eva Roytburg,
Fortune,
5 Jan. 2026
Noun
-
Tied at 19, the Chiefs got the ball back with four minutes left, with the chance to march for a game-winning field goal.—
Jesse Newell,
New York Times,
7 Jan. 2026
-
There can be 30 minutes of small waves before a sneaker wave strikes.—
CA Weather Bot,
Sacbee.com,
7 Jan. 2026
Adjective
-
The highly skilled team — including neonatologists, nurses, respiratory therapists, and pediatric specialists — provides immediate access to advanced treatments and technology, improving outcomes and offering families peace of mind.—
MemorialCare Medical Group,
Oc Register,
10 Jan. 2026
-
The video also appeared to depict the officers did not take immediate steps to ensure that Good received emergency medical care after the shooting took place.—
Sarah N. Lynch,
CBS News,
10 Jan. 2026
Noun
-
Kane opened the scoring on a two-man advantage with 29 seconds left in the first period.—
CBS News,
CBS News,
9 Jan. 2026
-
Instead, Prairie View A&M was forced to foul on the other end, and UAPB guard Kristyna Boyd made one of her two fouls shots with 10 seconds to go to set the final score.—
Erick Taylor,
Arkansas Online,
9 Jan. 2026
Adjective
-
View gallery - 5 images Fujifilm's been in the instant shoot-and-print camera business for more than 25 years now, and its newest offering is a fun departure from its longstanding lineup.—
Abhimanyu Ghoshal,
New Atlas,
8 Jan. 2026
-
The show premiered to instant acclaim, winning five 2025 Emmy Awards, and has already been renewed for a third season.—
Raven Brunner,
PEOPLE,
8 Jan. 2026
Noun
-
There’s just all there to kind of lift us in every moment.—
Nasha Smith,
PEOPLE,
9 Jan. 2026
-
And though Li has won playoff games before in previous stops, with previous teams, winning Saturday would be a nice moment for himself, too.—
Alex Zietlow,
Charlotte Observer,
9 Jan. 2026
Noun
-
Digoxin Digoxin is used to treat heart failure and certain types of irregular heartbeats.—
Jessica Swirble,
Verywell Health,
5 Jan. 2026
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World-first findings on coffee and irregular heartbeat University of Adelaide and University of California, San Francisco (UCSF) researchers led a randomized clinical trial of 200 adults from Australia, the US and Canada with atrial fibrillation (AF) to test coffee's impact on irregular heartbeats.—
New Atlas,
New Atlas,
2 Jan. 2026
Cite this Entry
“Split-second.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/split-second. Accessed 13 Jan. 2026.
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