[noun] [U] - a loud noise, esp. caused by a lot of people all talking at the same timeI could hardly hear myself speak above all the hubbub in the theatre bar.(figurative) Once the hubbub of (= excitement and activity caused by) the election had died down, it was back to normal for the President.
HUBBUB
Meaning of HUBBUB in English
Cambridge English vocab. Кембриджский английский словарь. 2012