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
instantaneousness
nounFrom the M-W Editors
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
Origin and Etymology of instantaneous
Medieval Latin instantaneus, from instant-, instans, noun
First Known Use: 1651
INSTANTANEOUS Defined for English Language Learners
instantaneous
playDefinition of instantaneous for English Language Learners
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: happening very quickly : happening in an instant
INSTANTANEOUS Defined for Kids
instantaneous
playDefinition of instantaneous for Students
: happening or done very quickly : happening in an instant an instantaneous reply
instantaneously
adverbLearn More about instantaneous
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See words that rhyme with instantaneous Thesaurus: All synonyms and antonyms for instantaneous Spanish Central: Translation of instantaneous Nglish: Translation of instantaneous for Spanish speakers Britannica English: Translation of instantaneous for Arabic speakers
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