instantaneous

adjective

in·​stan·​ta·​neous ˌin(t)-stən-ˈtā-nē-əs How to pronounce instantaneous (audio)
-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
instantaneity
ˌin-ˌstan-tə-ˈnē-ə-tē How to pronounce instantaneous (audio)
ˌin(t)-stən-tə-ˈnē-
noun
instantaneously 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This means, according to Benjamin, the transcription process should be nigh instantaneous. Steven Aquino, Forbes, 1 Nov. 2024 Former President Trump drew near instantaneous pushback from establishment Republicans for pressing GOP lawmakers to take a hard line on shutting down the government. Andrew Solender, Axios, 10 Sep. 2024 But these days, technology makes everything instantaneous. Pablo Larios, Artforum, 1 Nov. 2024 In 2025, this revolution will reach new heights as natural language interfaces become the norm, allowing anyone – regardless of technical expertise – to query complex datasets and receive instantaneous insights. Bernard Marr, Forbes, 30 Oct. 2024 See all Example Sentences for instantaneous 

Word History

Etymology

borrowed from Medieval Latin instantāneus, from instant-, instans "moment, point of time," + Latin -āneus, suffix forming adjectives from temporal adverbs — more at instant entry 1

Note: Regarding the suffix -āneus see the etymology and note at spontaneous.

First Known Use

1651, in the meaning defined at sense 1

Time Traveler
The first known use of instantaneous was in 1651

Dictionary Entries Near instantaneous

Cite this Entry

“Instantaneous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/instantaneous. Accessed 23 Nov. 2024.

Kids Definition

instantaneous

adjective
in·​stan·​ta·​neous ˌin(t)-stən-ˈtā-nē-əs How to pronounce instantaneous (audio)
-nyəs
1
: happening in an instant
2
: done without delay
instantaneously adverb
instantaneousness noun

More from Merriam-Webster on instantaneous

Last Updated: - Updated example sentences
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