instantaneous

play
adjective in·stan·ta·neous \ˌin(t)-stən-ˈtā-nē-əs, -nyəs\

Definition of instantaneous

  1. 1 :  done, occurring, or acting without any perceptible duration of time death was instantaneous

  2. 2 :  done without any delay being purposely introduced took instantaneous corrective action

  3. 3 :  occurring or present at a particular instant instantaneous velocity

instantaneity

play \ˌin-ˌstan-tə-ˈnē-ə-tē, ˌin(t)-stən-tə-ˈnē-\ noun

instantaneously

play \ˌin(t)-stən-ˈtā-nē-əs-lē, -nyəs-lē\ adverb

instantaneousness

noun

Examples of instantaneous in a Sentence

  1. We got an almost instantaneous response from the company.

  2. the thunder following the flash of lightning was nearly instantaneous

Origin and Etymology of instantaneous

Medieval Latin instantaneus, from instant-, instans, noun


First Known Use: 1651


INSTANTANEOUS Defined for English Language Learners

instantaneous

play
adjective in·stan·ta·neous \ˌin(t)-stən-ˈtā-nē-əs, -nyəs\

Definition of instantaneous for English Language Learners

  • : happening very quickly : happening in an instant


INSTANTANEOUS Defined for Kids

instantaneous

play
adjective in·stan·ta·neous \ˌin-stən-ˈtā-nē-əs\

Definition of instantaneous for Students

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

instantaneously

adverb


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