UPROAR Meaning of UPROAR in English ■ noun a loud and impassioned noise or disturbance. ↘a public expression of outrage.OriginC16: from MDu. uproer , from op 'up' + roer 'confusion', assoc. with roar . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004