instantaneous.
Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time.
Meaning & usage
Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time.
Where this word comes from
Etymology tree Proto-Indo-European *énu Latin in- Proto-Indo-European *steh₂- Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *sth₂éh₁yeti Proto-Italic *staējō Proto-Italic *staēō Latin stō Latin īnstō Latin īnstantem New Latin īnstāntāneusder. English instantaneous Derived from New Latin īnstāntāneus, from Latin īnstantem. From New Latin īnstāntāneus, from Latin īnstantem.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.