- Main Entry:
- up·roar

- Pronunciation:
-
\ˈəp-ˌrȯr\
- Function:
- noun
- Etymology:
- by folk etymology from Dutch oproer, from Middle Dutch, from op up (akin to Old English ūp) + roer motion; akin to Old English hrēran to stir
- Date:
- 1526
: a state of commotion, excitement, or violent disturbance