simultaneous

US /ˌsaɪ.məlˈteɪ.ni.əs/
UK /ˌsaɪ.məlˈteɪ.ni.əs/
"simultaneous" picture
1.

occurring, operating, or existing at the same time

:
•
The two events were simultaneous.
•
They made simultaneous announcements.
:
concurrentcoincidentsynchronouscontemporaneouscoexisting
:
simultaneously