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English definition of “controversial”

controversial

adjective uk   /ˌkɒn.trəˈvɜː.ʃəl/ us    /ˌkɑːn.trəˈvɝː-/
B2 causing disagreement or discussion: a controversial issue/decision/speech/figure The book was very controversial.Debate and discussion
controversially
adverb uk   /-i/ us  
Debate and discussion
(Definition of controversial from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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