B1adverbformalacademic
US/ˌsaɪ.məlˈteɪ.ni.əs.li/
UK/ˌsɪm.əlˈteɪ.ni.əs.li/
at exactly the same time
In context
The film will be released simultaneously in Vietnam and the United States.
It is hard to listen and take notes simultaneously in a fast lecture.
Two students raised their hands almost simultaneously when the teacher asked.
Words that go with simultaneously
verb + adverb
- occur simultaneouslyThe two events occurred simultaneously in different cities.
- happen simultaneouslySeveral problems happened simultaneously on launch day.
- work simultaneouslyThe app lets several users work simultaneously on one file.
adverb + verb
- simultaneously releasedThe song was simultaneously released on all platforms.
- almost simultaneouslyThe lights went out almost simultaneously across the street.