in·​stan·​ta·​neous | \ ˌin(t)-stən-ˈtā-nē-əs How to pronounce instantaneous (audio) , -nyəs \

Definition of instantaneous

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

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Other Words from instantaneous

instantaneity \ ˌin-​ˌstan-​tə-​ˈnē-​ə-​tē How to pronounce instantaneity (audio) , ˌin(t)-​stən-​tə-​ˈnē-​ \ noun
instantaneously \ ˌin(t)-​stən-​ˈtā-​nē-​əs-​lē How to pronounce instantaneously (audio) , -​nyəs-​lē \ adverb
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 Despite the various stereotypes that exist about taciturn or interrupting ethnicities, turn-taking is well-organised and almost instantaneous from Mexico to Denmark to Japan. The Economist, "Johnson Why Zoom meetings are so dissatisfying," 16 May 2020 But the anonymity and safety in large classes does not mean that teachers are not seeing and modifying their approach via instantaneous feedback from their classes. Chris Lee, Ars Technica, "Real learning in a virtual classroom is difficult," 28 Mar. 2020 This is especially the case in our era of instantaneous digital communications, where misinformation and fake news travels faster and more widely than any virus. Time, "How Our Modern World Creates Outbreaks Like Coronavirus," 7 Feb. 2020 Another big piece of that is the internet of things because of just the simultaneity and the instantaneous ability to reach across the globe and have an impact. CBS News, "Transcript: Robert Ashley talks with Michael Morell on "Intelligence Matters"," 15 Jan. 2020 The change in our quality of viewing after installing the Roku soundbar was instantaneous. Adrienne So, Wired, "Just Get a Soundbar Already," 1 Apr. 2020 Now imagine that, instead of such a difficult and time-consuming tracing effort, which can't even reach people who paid in cash, there was an instantaneous technological solution. Aaron Pressman, Fortune, "The problem with Google and Apple’s plan to trace coronavirus via your phone," 13 Apr. 2020 Meanwhile, progressive groups, still licking their wounds over the almost-instantaneous marginalization of Sanders, are suddenly seeing their massive grassroots organizations starved of money and the ability to organize. Jonah Goldberg, National Review, "What Will Post-Pandemic GOP Politics Look Like?," 8 Apr. 2020 From the fire music video that is probably the biggest home flex since MTV stopped airing Cribs to the dance's instantaneous take over on TikTok, Drake has proven himself to be the master at taking over the internet one song at a time. Tamara Fuentes, Seventeen, "Everything You Need to Know About Drake's "Toosie Slide" Challenge on TikTok," 3 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'instantaneous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of instantaneous

1651, in the meaning defined at sense 1

History and Etymology for instantaneous

Medieval Latin instantaneus, from instant-, instans, noun

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Time Traveler for instantaneous

Time Traveler

The first known use of instantaneous was in 1651

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Statistics for instantaneous

Last Updated

30 May 2020

Cite this Entry

“Instantaneous.” Dictionary, Merriam-Webster, Accessed 4 Jun. 2020.

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More Definitions for instantaneous


How to pronounce instantaneous (audio)

English Language Learners Definition of instantaneous

: happening very quickly : happening in an instant


in·​stan·​ta·​neous | \ ˌin-stən-ˈtā-nē-əs How to pronounce instantaneous (audio) \

Kids Definition of instantaneous

: happening or done very quickly : happening in an instant an instantaneous reply

Other Words from instantaneous

instantaneously adverb

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Comments on instantaneous

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