Synonyms of instantaneous in English:

instantaneous

adjective

  • 1 it doesn't have the instantaneous delivery aspect of the Internet but you'll get much higher resolution
    immediate, instant, on-the-spot, prompt, swift, speedy, rapid, quick, express, expeditious, lightning; sudden, hurried, precipitate
    informal snappy, pretty damn quick, PDQ
    literary fleet
    [Antonyms] delayed
  • Definition of instantaneous in:

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    Word of the day inamorata
    Pronunciation: inˌaməˈrätə
    noun
    a person's female lover