con·tro·ver·sy /ˈkɑ:ntrəˌvɚsi, Brit ˈkɒntrəˌvə:si, kənˈtrɒvəsi/ noun plural con·tro·ver·sies
: argument that involves many people who strongly disagree about something : strong disagreement about something among a large group of people [noncount] ▪ The decision aroused/created much controversy among the students. ▪ The new movie is a subject/topic of controversy. ▪ There is controversy surrounding the team's decision to trade the star pitcher. ▪ The controversy is over whether he should be fired or not. [count] ▪ A controversy arose over the new law.