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
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Recent Examples of split-second
Emily Feng, NPR, 17 May 2026
This nerve-rattling sequence that leaves three of the Khachaturian men dead is a wrenching depiction of innocent casualties brought down by split-second combat decisions.
—David Rooney, HollywoodReporter, 15 May 2026
Gabriel Duarte, Daily News, 30 Apr. 2026
In a split second, a game meant to be fun and light-hearted can quickly turn into serious repercussions for teenagers playing the game across the country.
—Marissa Sulek, CBS News, 14 Apr. 2026
See All Example Sentences for split-second
Adjective
When Aleppo fell in late November, in part due to that tunnel operation that cut off the regime's supply lines, the rebel groups made a split-second decision to continue the offensive.
—Emily Feng, NPR, 17 May 2026
This nerve-rattling sequence that leaves three of the Khachaturian men dead is a wrenching depiction of innocent casualties brought down by split-second combat decisions.
—David Rooney, HollywoodReporter, 15 May 2026
Noun
Both have split second-team reps all throughout spring camp, but neither has made enough headway to earn the job outright.
—Gabriel Duarte, Daily News, 30 Apr. 2026
In a split second, a game meant to be fun and light-hearted can quickly turn into serious repercussions for teenagers playing the game across the country.
—Marissa Sulek, CBS News, 14 Apr. 2026
See All Example Sentences for split-second
Recent Examples of Synonyms for split-second
Adjective
-
For a wireless mouse, this input delivery rate is near-instantaneous, allowing for some rapid lag-free reaction times.—
George Yang,
PC Magazine,
2 June 2026
-
Stranger Things debuted to instantaneous success on the streaming platform in 2016, concluding its five-season run last New Year’s Eve.—
Natalie Oganesyan,
Deadline,
24 May 2026
Noun
-
The 79th Tony Awards telecast kicked off with a bang by giving out two major awards in the first 30 minutes — and before viewers could blink both John Lithgow and Laurie Metcalf had each won the third Tony Award of their careers.—
Jessica Gelt,
Los Angeles Times,
8 June 2026
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His 75-minute-long tours feel less like being talked at and more like movable feasts of sights and storytelling.—
Arati Menon,
Condé Nast Traveler,
7 June 2026
Adjective
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Even with those immediate reductions, the overall multi-billion-dollar spending plan retains funding for most programs from the previous year.—
Ryan Macasero,
Mercury News,
10 June 2026
-
Major ash-producing eruptions have repeatedly disrupted life across the region and can affect areas far beyond the immediate danger zone.—
Kaif Shaikh,
Interesting Engineering,
9 June 2026
Noun
-
Game 2 came down to the wire with the score tied at 104 with 10 seconds to go.—
Jack Dunn,
Variety,
9 June 2026
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New York has trailed all game, but that deficit is just 40-38 with 8 minutes to play before halftime after an 8-0 run in just the last 60 seconds.—
Andrew Greif,
NBC news,
9 June 2026
Adjective
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Rwanda’s Central Bank Governor John Rwangombwa said the goal is instant, low-cost cross border payments.—
Tiisetso Motsoeneng,
semafor.com,
8 June 2026
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The sleeveless design is slightly sheer, so pair it with a camisole underneath for everyday wear or throw it over your swimsuit for instant poolside polish.—
Amanda Eyre Ward,
Travel + Leisure,
8 June 2026
Noun
-
For Larry Nemecek, president of the Will Rogers Ranch Foundation, the centennial arrives at a pivotal moment for both Route 66 and the historic ranch as stakeholders consider how best to preserve and reinterpret Rogers’ legacy following the fire.—
Daily News,
Daily News,
9 June 2026
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But one of the loudest cheers came in the first quarter's waning moments, when backup big man Mitchell Robinson made a free throw that seemed to bounce off of every part of the rim.—
Andrew Greif,
NBC news,
9 June 2026
Noun
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According to the medical records, the former pro wrestler had a history of leukemia and atrial fibrillation, a common disorder that causes irregular heartbeats.—
Mekishana Pierre,
Entertainment Weekly,
6 June 2026
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Your Heart May Feel the Effects Drinking diet soda may increase your risk of irregular heartbeat.—
Cristina Mutchler,
Verywell Health,
3 June 2026
Cite this Entry
“Split-second.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/split-second. Accessed 12 Jun. 2026.
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