causing a lot of angry public discussion and disagreement a highly controversial topic one of the most controversial of Seattle's new office buildings a controversial plan to build a new road Malcolm X was a controversial figure. opposite noncontroversial, uncontroversial
NAmE//ˌkɑntrəˈvərʃəli//
adverb Punishments for prisoners include the loss of privileges and, more controversially, the stopping of visits.See controversial in the Oxford Advanced Learner's DictionaryCheck pronunciation: controversial