[up.roar] n [by folk etymology fr. D oproer, fr. MD, fr. op up (akin to OE up) + roer motion; akin to OE hreran to stir] (1526): a state of commotion, excitement, or violent disturbance
UPROAR
Meaning of UPROAR in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012