Definition of hubbub noun from the Oxford Advanced American Dictionary

     

    hubbub

     noun
    noun
    NAmE//ˈhʌbʌb//
     
    [singular, uncountable]
     
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  1. 1the loud sound made by a lot of people talking at the same time It was difficult to hear what he was saying over the hubbub. It was some time before the hubbub of laughter died down.
  2. 2 a situation in which there is a lot of noise, excitement, and activity the hubbub of city life He was left wondering what all the hubbub had been about.
See the Oxford Advanced Learner's Dictionary entry: hubbub