What does the word instantaneous mean?

    Part of speech: adverb


  • Part of speech: adjective

  • Acting instantly.

Usage examples for instantaneous

  1. " Of course not," was the instantaneous reply. – Hand and Ring by Anna Katharine Green
  2. Yes, he believed death had been instantaneous. – The Circular Staircase by Mary Roberts Rinehart
  3. To my mind a sudden transition is finer than anything: an instantaneous change of expression, for instance, from scorn to fear; it is one of the most striking pieces of acting that can occur, and most interesting to observe. – Ellen Middleton--A Tale by Georgiana Fullerton