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

TV has conditioned us to expect instantaneous answers to difficult questions. Cyst counts were transformed to instantaneous rates of infection. Thus, given an instantaneous signal and the …

adjective occurring, done, or completed in an instant. an instantaneous response. Synonyms: abrupt, sudden, immediate existing at or pertaining to a particular instant. the instantaneous …

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.

May 12, 2025 · instantaneous (not comparable) Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time. [from 17th c.] Synonyms: …

The adjective instantaneous means “happening very quickly, in a single moment.” This is very similar to the meaning of instant. However, most English speakers would say that something …

Instantaneous refers to something that is happening or appearing in an instant, immediately, or without delay. It can also refer to a specific point in time or a momentary period.

Occurring or completed without perceptible delay. Relief was instantaneous. Done or made without delay; immediate. An instantaneous reply. Existing at a particular instant. His success …