[adjective] - (of people) repeatedly expressing opinions and complaints in speech, or (of demands, etc.) repeatedly and loudly madeLocal activist groups have become increasingly vociferous as the volume of traffic passing through the village has grown.A vociferous opponent of gay rights, he is well-known for his right-wing views.Vociferous objections have been raised to the plan.
VOCIFEROUS
Meaning of VOCIFEROUS in English
Cambridge English vocab. Кембриджский английский словарь. 2012