instantly

/IH1 N S T AH0 N T L IY0/
adverb
  1. 1

    At once; without delay.

    โ€œWhen the neighbours' dog barked, ours instantly replied with a howl.โ€

  2. 2

    Urgently; with insistence.

  3. 3

    At the same time.

Source: https://en.wiktionary.org/wiki/instantly