n. 1.  A condition of noisy excitement and confusion; a tumult: "The uproar of the street sounded violently and hideously cacophonous" (Virginia Woolf). See Synonyms at  noise. 2.  An impassioned protest or heated controversy: The publication of the book caused an uproar. [Probably by folk etymology from Middle Low German uprōr : up-, up (from up); see  upo in the Appendix of Indo-European roots + rōr, motion; see  kerə- in the Appendix of Indo-European roots.]  | 
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