mass protest rally

noun

1. A very large, organized public gathering in which people express strong opposition to something or demand change.

   B2

   countableformal

   • "Thousands of people joined a mass protest rally in the city center."B1
   • "Thousands attended the mass protest rally to demand climate action."B1
   • "The unions called a mass protest rally to oppose the proposed changes to labor law."B2
   • "The mass protest rally drew international attention to the government’s failure to address the crisis."C1