Synonyms of instantaneous in English:

instantaneous

adjective

  • it may be difficult for you to make an instantaneous response to what is said
    [Antonyms] delayed, long-term
  • Definition of instantaneous in:

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    Word of the day vituperate
    Pronunciation: vɪˈtjuːpəreɪt
    verb
    blame or insult (someone) in strong language...