uproar

UK: /ˈʌprɔː^r/ US: /ˈʌpˌrɔr/ ,(up′rôr′, -rōr′)

WordReference Random House Learner's Dictionary of American English © 2026

up•roar /ˈʌpˌrɔr/   n. 

1. [uncountable] a state of noisy disturbance, as of a crowd;
   turmoil.
2. [countable] an instance of this.

WordReference Random House Unabridged Dictionary of American English © 2026

up•roar  (up′rôr′, -rōr′), n. 

1. a state of violent and noisy disturbance, as of a multitude;
   turmoil.
2. an instance of this.

• Dutch oproer revolt, tumult, translation of German Aufruhr; sense and spelling, spelled influenced by roar
• 1520–30

Synonyms

• 1. tumult, turbulence, commotion, hubbub, furor. See disorder. 
• 2. clamor.

Collins Concise English Dictionary © HarperCollins Publishers::

uproar / ˈʌpˌrɔː/ noun

1. a commotion or disturbance characterized by loud noise and confusion; turmoil