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
Because asset price markets are so liquid and efficient, any violations of the law of one price should be eliminated almost instantaneously.
—
Emma Burleigh, Fortune, 21 Oct. 2025
After two years of this brutal war that has been livestreamed instantaneously around the globe, hard would be the heart of whoever does not greet the chance to end the bloodshed with anything but relief.
—Ben Wedeman, CNN Money, 1 Oct. 2025
All of this is compounded by the ability to instantaneously access funds or bank accounts via mobile banking apps.
—Andrew Paul, Popular Science, 1 Oct. 2025
Under Newton’s laws, the way that gravitation worked was that any and all masses in the Universe exerted a force on one another, instantaneously across space, in direct proportion to the product of their masses and inversely proportional to the square of the distance between them.
—Ethan Siegel, Big Think, 23 Sep. 2025
In the event of a sudden rotational impact, however, the adhesive instantaneously releases, allowing the panels to roll across the bearings and pop loose.
—New Atlas, 23 Sep. 2025
When a call is challenged, the Hawk-Eye view will quickly be transmitted through the 5G network, and it will be shown almost instantaneously to the spectators at each stadium via the videoboard as well as home viewers on respective broadcasts.
—Scott Thompson, FOXNews.com, 23 Sep. 2025
Oil and natural gas markets can be highly volatile and opinions in the sector may change instantaneously and without notice.
—Gaurav Sharma, Forbes.com, 17 Sep. 2025
Almost instantaneously, headlines inaccurately stating that Europe had banned all gel manicures popped up, quickly followed by fact-free fearmongering on social media.
—Marci Robin, Allure, 3 Sep. 2025
Emma Burleigh, Fortune, 21 Oct. 2025
After two years of this brutal war that has been livestreamed instantaneously around the globe, hard would be the heart of whoever does not greet the chance to end the bloodshed with anything but relief.
—Ben Wedeman, CNN Money, 1 Oct. 2025
All of this is compounded by the ability to instantaneously access funds or bank accounts via mobile banking apps.
—Andrew Paul, Popular Science, 1 Oct. 2025
Under Newton’s laws, the way that gravitation worked was that any and all masses in the Universe exerted a force on one another, instantaneously across space, in direct proportion to the product of their masses and inversely proportional to the square of the distance between them.
—Ethan Siegel, Big Think, 23 Sep. 2025
In the event of a sudden rotational impact, however, the adhesive instantaneously releases, allowing the panels to roll across the bearings and pop loose.
—New Atlas, 23 Sep. 2025
When a call is challenged, the Hawk-Eye view will quickly be transmitted through the 5G network, and it will be shown almost instantaneously to the spectators at each stadium via the videoboard as well as home viewers on respective broadcasts.
—Scott Thompson, FOXNews.com, 23 Sep. 2025
Oil and natural gas markets can be highly volatile and opinions in the sector may change instantaneously and without notice.
—Gaurav Sharma, Forbes.com, 17 Sep. 2025
Almost instantaneously, headlines inaccurately stating that Europe had banned all gel manicures popped up, quickly followed by fact-free fearmongering on social media.
—Marci Robin, Allure, 3 Sep. 2025
Recent Examples of Synonyms for instantaneously
Adverb
-
During cross-examination, he was upbraided for long answers that did not immediately answer the question he had been asked.—
Greg O'Keeffe,
New York Times,
9 Nov. 2025
-
More information about the accident wasn’t immediately available.—
Harriet Ramos,
Fort Worth Star-Telegram,
9 Nov. 2025
Adverb
-
And then on Thursday, after most of the show had been written, a man collapsed in the Oval Office, generating an instantly meme-able photograph of the president staring into the camera, looking oblivious to efforts to revive the prone victim at stage left.—
Erik Adams,
The Atlantic,
9 Nov. 2025
-
Hopper saw a 40% increase in air travelers, adding its Disruption Assistance feature – which allows users to instantly rebook if their flight is delayed or canceled, or get a refund – overnight following the DOT’s announcement.—
Nathan Diller,
USA Today,
9 Nov. 2025
Adverb
-
The system helps promptly deliver the right air-fuel mixture, and your vehicle is ready to hit the road within seconds, even in cold temperatures.—
Jalen Williams,
USA Today,
11 Nov. 2025
-
Note at the post-merger Hollywood presser this past summer, Paramount Co-Chair Josh Greenstein emphasized that the goal for theatrical release was 15 titles a year promptly — no date was given– and the ultimate goal down the road is 20 movies annually.—
Anthony D'Alessandro,
Deadline,
10 Nov. 2025
Adverb
-
Fallibility is written into our genetic code, and refereeing is basically a nightmare now for everyone involved.—
Megan Feringa,
New York Times,
9 Nov. 2025
-
Yet Tapestry—the parent company of Coach—said Gen Z now accounts for roughly 35% of its new customers, helping the brand beat Wall Street expectations and raise its full-year forecast.—
Eva Roytburg,
Fortune,
9 Nov. 2025
Adverb
-
Flyers should try to mitigate any headaches from delays and cancellations by avoiding booking flights with layovers, the non-profit US Public Interest Research Group says, and opt to make reservations directly with the airline rather than a third-party website.—
Emma Tucker,
CNN Money,
8 Nov. 2025
-
Associated Press text, photo, graphic, audio and/or video material shall not be published, broadcast, rewritten for broadcast or publication or redistributed directly or indirectly in any medium.—
Terry Mattingly,
Arkansas Online,
8 Nov. 2025
Cite this Entry
“Instantaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneously. Accessed 14 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share