as in immediately
without delay
I had just slammed the car door shut when I instantaneously remembered that I had left the keys inside
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of instantaneously
Gas stations raise prices almost instantaneously when the price of crude is threatened in order to make up for future delivery costs.
—
Ramon Padilla, USA Today, 29 Apr. 2026
Other purchase decisions, such as impulse acquisitions or recurrent purchases, are made almost instantaneously with little or no investment of time or effort in information search.
—Encyclopedia Britannica, 27 Apr. 2026
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
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
Ramon Padilla, USA Today, 29 Apr. 2026
Other purchase decisions, such as impulse acquisitions or recurrent purchases, are made almost instantaneously with little or no investment of time or effort in information search.
—Encyclopedia Britannica, 27 Apr. 2026
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
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
Recent Examples of Synonyms for instantaneously
Adverb
-
An attorney for Sohail did not immediately respond to messages seeking comment.—
Colin Mixson,
New York Daily News,
14 May 2026
-
But drivers wouldn’t immediately see that full amount shaved off their bills under a suspension.—
Wyatte Grantham-Philips,
Chicago Tribune,
14 May 2026
Adverb
-
The ministry said that after the initial strike, the man and his daughter managed to move away from the site, only to be attacked again by the drone, instantly killing the man.—
Bassem Mroue,
Los Angeles Times,
9 May 2026
-
If the pressure suddenly drops or rises, the app instantly sends a notification.—
Maryna Holovnova,
New Atlas,
8 May 2026
Adverb
-
Cleaning greasy pot lids promptly prevents stubborn residue from setting in and keeps your cookware looking its best.—
Olivia McIntosh,
Martha Stewart,
9 May 2026
-
And then the good vibes promptly came to an end.—
Sabreena Merchant,
New York Times,
9 May 2026
Adverb
-
Health officials are now investigating whether the outbreak involves the Ebola Zaire strain — the deadliest and most well-known version of the virus — or a different variant, according to the Africa Centers for Disease Control and Prevention.—
Jasmine Baehr,
FOXNews.com,
16 May 2026
-
Peters will now be released on parole June 1, having served more than four years behind bars.—
Aysha Bagchi,
USA Today,
16 May 2026
Adverb
-
Straus Family Creamery also said customers with questions can contact the company directly by email or phone during weekday business hours.—
Angelique Brenes,
PEOPLE,
16 May 2026
-
Ocean Casino Resort stakes its claim directly on the Atlantic City Boardwalk with views of a ferris wheel and lighthouse as though to remind you of the city’s modest beachtown origins.—
Condé Nast,
Condé Nast Traveler,
16 May 2026
Cite this Entry
“Instantaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneously. Accessed 16 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
