• (British) IPA: /ˌsɪməlˈteɪnɪəsli/
• (America) IPA: /ˌsaɪməlˈteɪnɪəsli/

simultaneously (not comparable)

1. Occurring at the same time.
   • 1945 August 17, George Orwell [pseudonym; Eric Arthur Blair], 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.

• See also Thesaurus:simultaneously

• simultaneity
• concurrently

• French: simultanément, en même temps
• German: gleichzeitig
• Italian: simultaneamente
• Portuguese: simultaneamente
• Russian: одновре́менно
• Spanish: simultáneamente