simultaneously
USsy-muhl-TAY-nee-uhs-lee/ˌsaɪmlˈteɪnɪəsli/UKsim-uhl-TAY-nee-uhs-lee/ˌsɪmlˈteɪnɪəsli/
- 1At the same time as one or more other events or actions.
The fireworks were launched simultaneously from three different rooftops.
Both teams scored simultaneously, leaving the officials scrambling to confirm the timing.
Similarconcurrently, together, synchronously
Oppositeconsecutively, successively, sequentially
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Origin
Formed from the adjective "simultaneous" with the adverb-forming suffix "-ly".