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
All is controllable via a simple bidirectional wheel that resets the indications instantaneously and remains synchronized from 1900 through 2099.
—
Oren Hartov, Robb Report, 4 Apr. 2026
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
Almost instantaneously a dark spot appeared on another ice ridge about 600 yards out.
—David Zeug, Outdoor Life, 4 Feb. 2026
Oren Hartov, Robb Report, 4 Apr. 2026
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
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
-
The Orange County district attorney’s office did not immediately return a message seeking comment Wednesday, nor did Yourex’s attorney.—
Andrew J. Campa,
Los Angeles Times,
23 Apr. 2026
-
Haaland bursts our bubble almost immediately by scoring in the opening five minutes, and Burnley miss a few good first-half chances, with striker Zian Flemming particularly culpable.—
Nnamdi Onyeagwara,
New York Times,
23 Apr. 2026
Adverb
-
Dunker will instantly become a fan favorite with a cult following.—
Devon Henderson,
New York Times,
25 Apr. 2026
-
For any Kentucky Derby spectator at Churchill Downs or at home, the brassy Call to the Post is instantly recognizable—a goosebump-inducing trill that the race is about to begin.—
Betsy Cribb Watson,
Southern Living,
25 Apr. 2026
Adverb
-
Officials said Friday that water service was promptly switched off to about 75 customers shortly after the incident, but clarified Saturday that the number of customers impacted was closer to 67 households.—
Molly Gibbs,
Mercury News,
25 Apr. 2026
-
The woman, whose identity has not been made public, allegedly is seen hitting the man believed to be Alexander in the back, resulting in him promptly stabbing her in the hand.—
Staff Author,
PEOPLE,
24 Apr. 2026
Adverb
-
Jacas now joins fellow edge defenders Harold Landry, Dre’Mont Jones, Elijah Ponder, Bradyn Swinson and Jesse Luketa on the team’s depth chart.—
Andrew Callahan,
Boston Herald,
25 Apr. 2026
-
On October 10, 1957, a raging inferno swept through the core of Unit 1 nuclear reactor at Windscale, Cumberland (now Sellafield, Cumbria) for three days.—
Kurt Snibbe,
Oc Register,
25 Apr. 2026
Adverb
-
In November 2024, Councilmembers Monica Rodriguez and Bob Blumenfield introduced a motion calling for the city to explore bypassing LAHSA and contracting directly with service providers, citing concerns about fragmentation and accountability.—
Teresa Liu,
Daily News,
25 Apr. 2026
-
Then Reed Sheppard threw away the ensuing inbound pass, leading directly to a tying 3 from LeBron James.—
Dan Woike,
New York Times,
25 Apr. 2026
Cite this Entry
“Instantaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneously. Accessed 29 Apr. 2026.
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