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
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
The voltage on the floor arced up instantaneously.
—Billboard Japan, Billboard, 30 Jan. 2026
Measuring an electron’s spin on Earth could tell you instantaneously the spin of its entangled partner on Mars.
—Joseph Howlett, Scientific American, 27 Jan. 2026
Gold markets can be highly volatile and opinions in the sector may change instantaneously and without notice.
—Gaurav Sharma, Forbes.com, 23 Jan. 2026
ChatGPT-3 is rather like a silicone Sibyl, where even if the work produced is bad, or just not that good, it’s still somehow manufactured almost instantaneously, structure arising out of the void.
—Literary Hub, 21 Jan. 2026
Regional transmission organizations, regulated by the federal government, now operate across multiple states, distributing electricity on wholesale markets that respond instantaneously to demand.
—Nick Bowlin, Harpers Magazine, 30 Dec. 2025
Offers typically arrive instantaneously.
—Dan Bernstein, Sportico.com, 16 Dec. 2025
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
The voltage on the floor arced up instantaneously.
—Billboard Japan, Billboard, 30 Jan. 2026
Measuring an electron’s spin on Earth could tell you instantaneously the spin of its entangled partner on Mars.
—Joseph Howlett, Scientific American, 27 Jan. 2026
Gold markets can be highly volatile and opinions in the sector may change instantaneously and without notice.
—Gaurav Sharma, Forbes.com, 23 Jan. 2026
ChatGPT-3 is rather like a silicone Sibyl, where even if the work produced is bad, or just not that good, it’s still somehow manufactured almost instantaneously, structure arising out of the void.
—Literary Hub, 21 Jan. 2026
Regional transmission organizations, regulated by the federal government, now operate across multiple states, distributing electricity on wholesale markets that respond instantaneously to demand.
—Nick Bowlin, Harpers Magazine, 30 Dec. 2025
Offers typically arrive instantaneously.
—Dan Bernstein, Sportico.com, 16 Dec. 2025
Recent Examples of Synonyms for instantaneously
Adverb
-
The community of Tumbler Ridge, which has a population of about 2,400 people, is reeling and working together to support those immediately affected by the shootings.—
Amanda Lee Myers,
USA Today,
12 Feb. 2026
-
Northstar’s media contact number has been deactivated and an email to the resort was not immediately returned.—
Andrew J. Campa,
Los Angeles Times,
12 Feb. 2026
Adverb
-
By embedding this sensing capability directly into a robot’s skin, this new system allows machines to respond locally and instantly to physical threats.—
New Atlas,
New Atlas,
8 Feb. 2026
-
Casly Lamiit 2-piece Lounge Set This is one of those matching sets that makes travel days feel instantly more put-together.—
Chaise Sanders,
Travel + Leisure,
7 Feb. 2026
Adverb
-
Halligan, a former insurance attorney who had been working in the White House, promptly filed indictments against the two, but both were ultimately dismissed after a court found Halligan’s appointment was invalid.—
Barbara McQuade,
Twin Cities,
6 Feb. 2026
-
The family promptly appealed the decision, and the case has been under appeal ever since, the attorney said.—
Holly Yan,
CNN Money,
6 Feb. 2026
Adverb
-
Though the holiday’s origins trace back to ancient China, it’s now celebrated across East and Southeast Asia and abroad.—
Phoebe Fry,
Bon Appetit Magazine,
14 Feb. 2026
-
The bill is now in the Senate after the House passed it on Wednesday.—
Ryan Mancini,
The Hill,
14 Feb. 2026
Adverb
-
All four returning astronauts went directly to the hospital after splashing down in the Pacific near San Diego.—
Arkansas Online,
Arkansas Online,
14 Feb. 2026
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These models from China are directly competing with video generation models such as OpenAI's Sora, as well as robotics models from Nvidia and Google.—
Arjun Kharpal,
CNBC,
14 Feb. 2026
Cite this Entry
“Instantaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneously. Accessed 15 Feb. 2026.
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