simultaneously

Etymology

simultaneous +‎ -ly

Pronunciation

• (UK) IPA^(key): /ˌsɪməlˈteɪnɪəsli/
• (US) IPA^(key): /ˌsaɪməlˈteɪnɪəsli/

Adverb

simultaneously (not comparable)

1. Occurring at the same time.
   • 1945 August 17, George Orwell, chapter 6, in Animal Farm: A Fairy Story, London: Secker & Warburg, OCLC 3655473:

     The hens woke up squawking with terror because they had all dreamed simultaneously of hearing a gun go off in the distance.

   • 2013 July 19, Timothy Garton Ash, “Where Dr Pangloss meets Machiavelli”, in The Guardian Weekly, volume 189, number 6, page 18:

     Hidden behind thickets of acronyms and gorse bushes of detail, a new great game is under way across the globe. Some call it geoeconomics, but it's geopolitics too. The current power play consists of an extraordinary range of countries simultaneously sitting down to negotiate big free trade and investment agreements.