The meaning of INSTANTANEOUS is done, occurring, or acting without any perceptible duration of time. How to use instantaneous in a sentence.

INSTANTANEOUS meaning: 1. happening immediately, without any delay: 2. happening immediately, without any delay: 3…. Learn more.

Instantaneous definition: occurring, done, or completed in an instant.. See examples of INSTANTANEOUS used in a sentence.

Definition of instantaneous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. Occurring or completed without perceptible delay: Relief was instantaneous. 2. Done or made as quickly or directly as possible: an instantaneous reply to my letter. 3. Present or occurring …

Something that is instantaneous happens immediately and very quickly. Death was instantaneous because both bullets hit the heart.

Jul 23, 2025 · instantaneous (not comparable) Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time. [from 17th c.] synonyms quotations …

occurring, done, or completed in an instant: an instantaneous response. existing at or pertaining to a particular instant: the instantaneous position of the rocket.

We got an almost instantaneous response from the company. Their deaths were instantaneous. They died instantaneously.

INSTANTANEOUS meaning: happening immediately: . Learn more.