instantaneous C2 Topic:Time US /ɪnstənˈteɪni.əs/ See IPA manual Freq #23682 Meanings 1 adj Happening immediately, with no delay at all. The relief from the medicine was almost instantaneous. Thesaurus Synonyms 1 adj · happening immediately, with... instantimmediatesplit-second ↔ Opposites delayedgradualnonimmediatenoninstantaneousslow Etymology AI details From New Latin īnstāntāneus, from Latin īnstantem. īnstāntāneus la-new instans Latin View etymology graph -> Topics Time Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # instantaneous **Type:** Word **Level:** C2 **Part of speech:** adj **IPA (US):** /ɪnstənˈteɪni.əs/ **Frequency rank:** 23682 ## Meanings 1. Happening immediately, with no delay at all. ## Examples - The relief from the medicine was almost instantaneous. ## Antonyms - delayed - gradual - nonimmediate - noninstantaneous - slow ## Roots and Affixes - Root: īnstāntāneus - Root: instans ## Etymology From New Latin īnstāntāneus, from Latin īnstantem. ## AI Etymology Instantaneous is from New Latin īnstāntāneus, from Latin īnstantem. Important recorded forms include īnstāntāneus (la-new) and instans (Latin). Current senses include happening immediately, with no delay at all. ## Topics - Time - Word Formation & Derivatives markdown