Use 'uproar' to express collective dissatisfaction or opposition, typically in public settings. The policy change threw the employees into an uproar.
Pro Tip 2/3
Intensity Matters
'Uproar' indicates a strong, passionate reaction, more intense than simple complaining or disagreement. The corrupt election results sparked an uproar across the nation.
Pro Tip 3/3
Not Just Physical
While 'uproar' can suggest loud noise, it can also be a metaphor for a great deal of upset or commotion. The leaked document set the internet in an uproar.