up ‧ roar /ˈʌp-rɔː $ -rɔːr/ BrE AmE noun [singular, uncountable]
[ Date: 1500-1600 ; Language: Dutch ; Origin: oproer , from op 'up' + roer 'movement' ; influenced by English roar ]
a lot of noise or angry protest about something
be in (an) uproar
The house was in an uproar, with babies crying and people shouting.