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
On an induction stove, the process is instantaneous.
—
Ashlyn Needham, Southern Living, 4 May 2026
And the effects are instantaneous.
—Michelle Marchante, Miami Herald, 30 Apr. 2026
If frequency varies suddenly or power is lost, these unidirectional systems provide almost instantaneous, short-term backup power to the equipment inside the data center.
—IEEE Spectrum, 29 Apr. 2026
Loading media is virtually instantaneous on the Fire TV Stick HD.
—Will Greenwald, PC Magazine, 29 Apr. 2026
See All Example Sentences for instantaneous
Ashlyn Needham, Southern Living, 4 May 2026
And the effects are instantaneous.
—Michelle Marchante, Miami Herald, 30 Apr. 2026
If frequency varies suddenly or power is lost, these unidirectional systems provide almost instantaneous, short-term backup power to the equipment inside the data center.
—IEEE Spectrum, 29 Apr. 2026
Loading media is virtually instantaneous on the Fire TV Stick HD.
—Will Greenwald, PC Magazine, 29 Apr. 2026
See All Example Sentences for instantaneous
Recent Examples of Synonyms for instantaneous
Adjective
-
The immediate illness known as Teflon flu is usually short-term, but PFAS exposure is part of a larger health debate.—
Ryan Brennan
June 2,
Sacbee.com,
3 June 2026
-
Pelley could not be reached for immediate comment.—
Brian Steinberg,
Variety,
3 June 2026
Adjective
-
The quietness of the landscape and the absence of distractions or irritations is an instant balm.—
Condé Nast,
Condé Nast Traveler,
2 June 2026
-
If Cox’s glove is as good as advertised, the Giants can trot him out in center field while batting him low in the lineup and hope that his defense and speed can provide instant value.—
Justice delos Santos,
Mercury News,
1 June 2026
Cite this Entry
“Instantaneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneous. Accessed 5 Jun. 2026.
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