From Longman Dictionary of Contemporary Englishsimultaneoussim‧ul‧ta‧ne‧ous /ˌsɪməlˈteɪniəs◂ $ ˌsaɪ-/ ●○○ adjective TIME/AT THE SAME TIMEthings that are simultaneous happen at exactly the same time They grabbed each other’s hands in simultaneous panic. Up to twenty users can have simultaneous access to the system.simultaneous with The withdrawal of British troops should be simultaneous with that of US forces. The speeches will be broadcast live, with simultaneous translation (=immediate translation, as the person is speaking) into English. —simultaneously adverb The opera will be broadcast simultaneously on television and radio.RegisterIn everyday English, people often say that two things happen at the same time, rather than say that they are simultaneous:Up to twenty people can use the system at the same time.
Examples from the Corpussimultaneous• Another soldier died and 11 were injured in Newry in a similar and simultaneous attack.• Diffuse oesophageal spasm was defined as the presence of greater than 10% but less than 100% simultaneous contractions.• The survey is divided into two simultaneous operations which embrace the surviving records of both persons and organisations.• In simultaneous raids on five homes, police seized over $5 million worth of cocaine.• Roy Hattersley's simultaneous resignation as deputy leader also opens up the increasingly sterile debate on constitutional reform.• There are halls for banqueting up to 3,000, for small exhibitions, industrial theatre and simultaneous translation.• To Joseph's startled ears they sounded like a simultaneous volley of a thousand rifle shots.simultaneous translation• There are halls for banqueting up to 3,000, for small exhibitions, industrial theatre and simultaneous translation.• Including simultaneous translation booths, matched sound systems and theatre standard lighting capable of handling the most complex conference productions.• He explains that although the parliament itself enjoys simultaneous translation facilities, the group meetings have no such luck.Origin simultaneous (1600-1700) Medieval Latin simultaneus, from Latin simul “at the same time”