as in immediate
done or occurring without any noticeable lapse in time
the thunder following the flash of lightning was nearly instantaneous
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Recent Examples of instantaneous
Latency fell from 50 milliseconds to just 17 milliseconds, nearly instantaneous.
—
Aamir Khollam, Interesting Engineering, 26 Sep. 2025
By establishing secure, aggregated data-sharing APIs with the BLS, payroll processors could provide a near-instantaneous and comprehensive view of both W-2 and 1099 employment.
—Jeff Gapusan, Forbes.com, 17 Sep. 2025
The position, size and type of injury hinted at a small but fast-moving object; a larger object would have caused more serious damage, and death probably would have been instantaneous, the study authors reported.
—Mindy Weisberger, CNN Money, 29 Aug. 2025
But, even in our current age of instantaneous information exchange, this dynamic remains highly recognizable.
—Jon Allsop, New Yorker, 29 Aug. 2025
See All Example Sentences for instantaneous
Aamir Khollam, Interesting Engineering, 26 Sep. 2025
By establishing secure, aggregated data-sharing APIs with the BLS, payroll processors could provide a near-instantaneous and comprehensive view of both W-2 and 1099 employment.
—Jeff Gapusan, Forbes.com, 17 Sep. 2025
The position, size and type of injury hinted at a small but fast-moving object; a larger object would have caused more serious damage, and death probably would have been instantaneous, the study authors reported.
—Mindy Weisberger, CNN Money, 29 Aug. 2025
But, even in our current age of instantaneous information exchange, this dynamic remains highly recognizable.
—Jon Allsop, New Yorker, 29 Aug. 2025
See All Example Sentences for instantaneous
Recent Examples of Synonyms for instantaneous
Adjective
-
That was punctuated by the incident in Dubai, which Raducanu said left her struggling to breathe properly in the immediate aftermath.—
Charlie Eccleshare,
New York Times,
16 Oct. 2025
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Meanwhile, the Young Republican National Federation called for the immediate resignations of leaders in the organization exposed in a Politico story to have sent racist, antisemitic and other derogatory text messages to one another in a private chat.—
Nicole Fallert,
USA Today,
16 Oct. 2025
Adjective
-
Eze came on for Mikel Merino at half-time in a more central position and made an instant impact.—
Art de Roché,
New York Times,
16 Oct. 2025
-
Their instant chemistry reinforces that direction.—
Bryan Alexander,
USA Today,
15 Oct. 2025
Cite this Entry
“Instantaneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneous. Accessed 20 Oct. 2025.
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