clamor

Short definition from Wiktionary

Noun

1. 1
   A great outcry or vociferation; loud and continued shouting or exclamation.
2. 2
   Any loud and continued noise.
3. 3
   A continued public expression, often of dissatisfaction or discontent; a popular outcry.

Verb

1. 1
   To cry out or demand.
2. 2
   To demand by outcry.
3. 3
   To become noisy insistently.
4. 4
   To influence by outcry.
5. 5
   To silence.