Definition of simultaneous in US English:

simultaneous

adjective

  • Occurring, operating, or done at the same time.

    ‘a simultaneous withdrawal of all troops’
    ‘simultaneous translation’
    • ‘It is more likely to happen with three simultaneous live infections.’
    • ‘That is harder to pin down, but movie people all sniff the same zeitgeist and often have simultaneous inspiration.’
    • ‘So they installed, at their own expense, simultaneous translation facilities.’
    • ‘Blogging was born out of a need for independence and out of a simultaneous trust and mistrust for the community.’
    • ‘How have simultaneous viewing technologies changed the way in which media is produced and consumed in the UK?’
    • ‘Rapid economic growth may lead to the simultaneous increase of both poverty and inequality.’
    • ‘Most economic theory is synchronic - it deals with simultaneous events at one point in time.’
    • ‘It is thought that this is the first time a husband and wife have taken simultaneous command appointments at wing commander rank.’
    • ‘If simultaneous releases have to be stopped then the government will have to pass an ordinance, he added.’
    • ‘The offset printing machines allow the simultaneous printing of both sides of the banknotes.’
    • ‘The maximum use of force is in no way incompatible with the simultaneous use of the intellect.’
    • ‘Two simultaneous articles means the there's enough buzz on the street to merit a higher word count.’
    • ‘This year's event also boasts simultaneous sister parties in London and Tokyo.’
    • ‘I think it is by carrying out a simultaneous attack on all those fronts, that we'll be able to make a dent in poverty.’
    • ‘The failed application would have meant the simultaneous excavation of coal and clay on a different section of the land.’
    • ‘These episodes are all redolent of the simultaneous narrow focus and immense reach of Kiarostami's art.’
    • ‘The difference from concurrent validity is that a future rather than a simultaneous criterion measure is employed.’
    • ‘In simultaneous raids 12 men were arrested at houses in Sheffield, Rotherham and Leeds.’
    • ‘As campaigners flooded through London, countries around the globe held simultaneous protests.’
    • ‘This will lead to the simultaneous withdrawal of the armies of both the countries from the borders.’
    concurrent, happening at the same time, done at the same time, contemporaneous, concomitant, coinciding, coincident, synchronous, synchronized, synchronic
    View synonyms

Origin

Mid 17th century: based on Latin simul ‘at the same time’, probably influenced by late Latin momentaneus.

Pronunciation

simultaneous

/ˌsaɪməlˈteɪniəs//ˌsīməlˈtānēəs/