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
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of instantaneously
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
Oil and natural gas markets can be highly volatile and opinions in the sector may change instantaneously and without notice.
—Gaurav Sharma, Forbes.com, 28 Aug. 2025
That is fast enough to be almost continuous, meaning the car is constantly monitoring grip and optimizing power to change wheel speeds virtually instantaneously to go ever faster.
—Erik Shilling, Robb Report, 27 Aug. 2025
The Pixel 10 will also be able to almost instantaneously translate phone conversations into a range of different languages using the participants own voices.
—Michael Liedtke, Chicago Tribune, 20 Aug. 2025
Unlike the show, Carr places Maggie and Cal in a relationship almost instantaneously.
—Caroline Blair, People.com, 13 Aug. 2025
The sub’s carbon-fiber hull imploded at 11,000 feet, killing the occupants instantaneously.
—Usa Today, USA Today, 9 Aug. 2025
By analyzing neural signals, a brain-computer interface (BCI) can now almost instantaneously synthesize the speech of a man who lost use of his voice due to a neurodegenerative disease, a new study finds.
—IEEE Spectrum, 19 June 2025
Marci Robin, Allure, 3 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, 28 Aug. 2025
That is fast enough to be almost continuous, meaning the car is constantly monitoring grip and optimizing power to change wheel speeds virtually instantaneously to go ever faster.
—Erik Shilling, Robb Report, 27 Aug. 2025
The Pixel 10 will also be able to almost instantaneously translate phone conversations into a range of different languages using the participants own voices.
—Michael Liedtke, Chicago Tribune, 20 Aug. 2025
Unlike the show, Carr places Maggie and Cal in a relationship almost instantaneously.
—Caroline Blair, People.com, 13 Aug. 2025
The sub’s carbon-fiber hull imploded at 11,000 feet, killing the occupants instantaneously.
—Usa Today, USA Today, 9 Aug. 2025
By analyzing neural signals, a brain-computer interface (BCI) can now almost instantaneously synthesize the speech of a man who lost use of his voice due to a neurodegenerative disease, a new study finds.
—IEEE Spectrum, 19 June 2025
Recent Examples of Synonyms for instantaneously
Adverb
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Moved by her mother’s words, the couple got engaged on July 23, 2025, and decided to plan their wedding immediately.—
Tereza Shkurtaj,
PEOPLE,
7 Sep. 2025
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Officers said — and video showed — the rancher moved his hands into his jacket after exiting his truck immediately following the crash.—
Nicole Blanchard,
Idaho Statesman,
7 Sep. 2025
Adverb
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This presents another opportunity to hack and disable or repurpose, instantly turning an asset into a vulnerability.—
Brian Walsh,
Fortune,
7 Sep. 2025
-
Ronny’s shoulders instantly relaxed.—
Bryan Washington,
New Yorker,
7 Sep. 2025
Adverb
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The latest such example occurred in the first inning of the Mets’ 5-4 win over the Reds on Friday when Soto stole third base and then promptly scored on a sacrifice fly.—
Will Sammon,
New York Times,
8 Sep. 2025
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McFarland, who co-founded the event with rapper Ja Rule, was promptly sued by investors and attendees in a $100 million class-action lawsuit.—
Dave Quinn,
PEOPLE,
8 Sep. 2025
Adverb
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Former Biden National Security Council official Tarun Chhabra now leads its national security policy, while former White House economic aide Elizabeth Kelly serves as head of beneficial deployments.—
Samantha-Jo Roth,
The Washington Examiner,
7 Sep. 2025
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The subcommittee will gather for a one-day meeting to discuss what’s been accomplished, what is happening now and what still needs to be done.—
Laura Bauer,
Kansas City Star,
7 Sep. 2025
Adverb
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Espresso’s pricing model is tied directly to results.—
Matthew Kayser,
USA Today,
13 Sep. 2025
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By 2019, Kirk expanded into electoral politics with Turning Point Action, a 501(c)(4) that allowed his network to directly campaign for Republicans.—
Samantha-Jo Roth,
The Washington Examiner,
12 Sep. 2025
Cite this Entry
“Instantaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneously. Accessed 13 Sep. 2025.
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