General Synonyms:
* Noise: A general term for any sound, often loud and unpleasant.
* Hubbub: A confused mixture of sounds, especially voices.
* Din: A loud, unpleasant noise.
* Uproar: A loud, confused noise, often caused by a crowd.
* Shouting: Loud cries or calls.
* Outcry: A loud and strong expression of protest or disapproval.
More Specific Synonyms:
* Roar: A loud, deep sound, often made by a crowd or an animal.
* Howl: A long, loud, and mournful cry.
* Screaming: A high-pitched, piercing cry.
* Yelling: A loud, forceful shout.
* Tumult: A noisy and confused commotion.
* Brawl: A noisy fight or argument.
Synonyms Related to Demand or Complaint:
* Demand: A strong request or requirement.
* Protest: A formal objection to something.
* Complaint: A formal expression of dissatisfaction.
* Appeal: A request for help or support.
* Cry: An urgent or desperate call for help.
The best synonym for "clamour" depends on the context of your writing. Consider the specific situation and the tone you want to convey.