si·mul·ta·neous 
/ˌsaɪməlˈteɪnijəs, Brit ˌsɪməlˈteɪniəs/ adjective
/ˌsaɪməlˈteɪnijəs, Brit ˌsɪməlˈteɪniəs/ adjective : happening at the same time
▪ The two gunshots were simultaneous. ▪ simultaneous events — often + with ▪ The release of the new album will be simultaneous with the release of the DVD.
▪ The two gunshots were simultaneous. ▪ simultaneous events — often + with ▪ The release of the new album will be simultaneous with the release of the DVD.
— si·mul·ta·neous·ly adverb
▪ The speech will be broadcast simultaneously on radio and TV.
▪ The speech will be broadcast simultaneously on radio and TV.
