as in immediately
without delay
I had just slammed the car door shut when I instantaneously remembered that I had left the keys inside
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Recent Examples of instantaneously
But that sonic democratization is a large part of Suno’s allure for neophytes, who welcome the opportunity to have AI do most — or all — of the work for them, almost instantaneously.
—
George Varga, San Diego Union-Tribune, 22 Mar. 2026
Within the narrow, high electric current at the core of the lightning channel, temperatures rise to tens of thousands of kelvins almost instantaneously, producing a highly ionized column of hot gas.
—Encyclopedia Britannica, 12 Mar. 2026
If that hasn’t already materialized — instantaneously.
—Michael Deeds, Idaho Statesman, 11 Mar. 2026
The ongoing partnership continues to captivate fashion fans—while selling through, almost instantaneously.
—Kristina Rutkowski, Vogue, 10 Mar. 2026
Citrini’s premise assumes that because AI can write code to improve itself, its integration into the economy will compound infinitely and instantaneously.
—Nick Lichtenberg, Fortune, 26 Feb. 2026
But signals don’t go from the generating source to the observer instantaneously; all physical signals propagate at a finite speed, with the fastest possible speed being the speed of light in a vacuum, c, or 299,792,458 m/s.
—Big Think, 25 Feb. 2026
The system measures jump heights, air times, and landing speeds in real time, producing heat maps and graphic overlays that break down each program—all instantaneously.
—Maurizio Arseni, IEEE Spectrum, 4 Feb. 2026
Almost instantaneously a dark spot appeared on another ice ridge about 600 yards out.
—David Zeug, Outdoor Life, 4 Feb. 2026
George Varga, San Diego Union-Tribune, 22 Mar. 2026
Within the narrow, high electric current at the core of the lightning channel, temperatures rise to tens of thousands of kelvins almost instantaneously, producing a highly ionized column of hot gas.
—Encyclopedia Britannica, 12 Mar. 2026
If that hasn’t already materialized — instantaneously.
—Michael Deeds, Idaho Statesman, 11 Mar. 2026
The ongoing partnership continues to captivate fashion fans—while selling through, almost instantaneously.
—Kristina Rutkowski, Vogue, 10 Mar. 2026
Citrini’s premise assumes that because AI can write code to improve itself, its integration into the economy will compound infinitely and instantaneously.
—Nick Lichtenberg, Fortune, 26 Feb. 2026
But signals don’t go from the generating source to the observer instantaneously; all physical signals propagate at a finite speed, with the fastest possible speed being the speed of light in a vacuum, c, or 299,792,458 m/s.
—Big Think, 25 Feb. 2026
The system measures jump heights, air times, and landing speeds in real time, producing heat maps and graphic overlays that break down each program—all instantaneously.
—Maurizio Arseni, IEEE Spectrum, 4 Feb. 2026
Almost instantaneously a dark spot appeared on another ice ridge about 600 yards out.
—David Zeug, Outdoor Life, 4 Feb. 2026
Recent Examples of Synonyms for instantaneously
Adverb
-
Charges against him related to the shooting were not immediately filed, and his name was not released.—
Kerry Burke,
New York Daily News,
2 Apr. 2026
-
Ames had her home tested after that, and those results confirmed the house had mold − with high enough levels in the air alone that experts told the Ames family to leave their home immediately.—
Madeline Mitchell,
USA Today,
2 Apr. 2026
Adverb
-
That changes instantly with the current design.—
Sponsored Content,
Denver Post,
4 Apr. 2026
-
Dejan Joveljic responded almost instantly for Sporting.—
Daniel Sperry,
Kansas City Star,
4 Apr. 2026
Adverb
-
The only blemish in that span was a seventh-inning walk to Beck, who was promptly caught stealing.—
Jordan McPherson,
Miami Herald,
28 Mar. 2026
-
William is sent on a spy-adjacent mission by Captain Ezekiel Richardson that takes him through Great Dismal Swamp on the North Carolina–Virginia border, where he promptly gets lost and seriously injured until Ian, who is working as a liaison with the Native tribes, comes upon him.—
Maggie Fremont,
Vulture,
26 Mar. 2026
Adverb
-
Her parents’ house was on West 23rd Street, just past where the Flatiron Building now stands, and only a few blocks away, on East 21st and the north side of Gramercy Park, there lived a longtime family acquaintance named George Templeton Strong.—
Michael Gorra,
The New York Review of Books,
4 Apr. 2026
-
The fight to fly ultralights from the Yuba County Airport has continued months after the county ended its yearslong ban of the small aircraft, with the Federal Aviation Administration now poised to rule on the claims of discrimination and lack of compliance alleged by ultralight pilots.—
Jake Goodrick,
Sacbee.com,
4 Apr. 2026
Adverb
-
Wayfinding signage will direct you to the pedestrian bridge over the canal, which leads directly to Miami Freedom Park and Nu Stadium.—
Miami Herald,
Miami Herald,
4 Apr. 2026
-
The likelihood of lightning increases as a thunderstorm gets closer and reaches its highest point when the storm is directly overhead.—
STAR-TELEGRAM WEATHER BOT,
Fort Worth Star-Telegram,
4 Apr. 2026
Cite this Entry
“Instantaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneously. Accessed 5 Apr. 2026.
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