from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A condition of noisy excitement and confusion; tumult: "The uproar of the street sounded violently and hideously cacophonous” ( Virginia Woolf). See Synonyms at noise.
- n. A heated controversy.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. tumultuous, noisy excitement
- n. loud confused noise, especially when coming from several sources
from the GNU version of the Collaborative International Dictionary of English
- n. Great tumult; violent disturbance and noise; noisy confusion; bustle and clamor.
- transitive v. To throw into uproar or confusion.
- intransitive v. To make an uproar.
from The Century Dictionary and Cyclopedia
- To stir up to tumult; throw into confusion; disturb.
- To make an uproar; cause a disturbance.
- n. Great tumult; violent disturbance and noise; bustle and clamor; confusion; excitement.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. loud confused noise from many sources
- n. a state of commotion and noise and confusion
Probably by folk etymology from Middle Low German uprōr : up-, up (from up); see upo in Indo-European roots + rōr, motion; see kerə- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Translation of German Aufruhr or Dutch oproer. (Wiktionary)