instantaneous
adjective
in·stan·ta·neous
ˌin(t)-stən-ˈtā-nē-əs 
-nyəs
1
: done, occurring, or acting without any perceptible duration of time
death was instantaneous
2
: done without any delay being purposely introduced
took instantaneous corrective action
3
: occurring or present at a particular instant
instantaneous velocity
instantaneousness
noun
Examples of instantaneous in a Sentence
We got an almost instantaneous response from the company.
the thunder following the flash of lightning was nearly instantaneous
Recent Examples on the Web
Opt for a golden milk latte, shave some over a salad, or simply incorporate the spice into your daily dishes for an instantaneous immune boost—and improved digestion.
—
Calin Van Paris, Vogue, 18 June 2024
News of Whitmer's forthcoming book prompted instantaneous speculation on social media that Whitmer plans to run for president.
—Clara Hendrickson, Detroit Free Press, 5 Apr. 2024
Both Clover and Jotter described that coming out of the river, this instantaneous longing to go back.
—Condé Nast Traveler, 30 Nov. 2023
Two miles down, where seawater exerts vast pressures, an implosion would have made the violent collapse of the vehicle’s hull instantaneous.
—William J. Broad, New York Times, 10 June 2024
See all Example Sentences for instantaneous 
Calin Van Paris, Vogue, 18 June 2024
News of Whitmer's forthcoming book prompted instantaneous speculation on social media that Whitmer plans to run for president.
—Clara Hendrickson, Detroit Free Press, 5 Apr. 2024
Both Clover and Jotter described that coming out of the river, this instantaneous longing to go back.
—Condé Nast Traveler, 30 Nov. 2023
Two miles down, where seawater exerts vast pressures, an implosion would have made the violent collapse of the vehicle’s hull instantaneous.
—William J. Broad, New York Times, 10 June 2024
See all Example Sentences for instantaneous
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'instantaneous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near instantaneous
Cite this Entry
“Instantaneous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/instantaneous. Accessed 4 Jul. 2024.
Copy CitationKids Definition
instantaneous
adjective
in·stan·ta·neous
ˌin(t)-stən-ˈtā-nē-əs
-nyəs
1
: happening in an instant
2
: done without delay
instantaneously
adverb
instantaneousness
noun
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