simultaneously

/ˌsaɪməlˈteɪniəsli/
adverb
  1. At the same time; happening or done at the same moment.
    • The fireworks exploded simultaneously, lighting up the entire sky.
    • She can cook dinner and help her kids with homework simultaneously.
    • The two runners crossed the finish line simultaneously.
Antonyms
What does "simultaneously" mean? | whatsthatwordmean | whatsthatwordmean