controversial◼◼◼(arousing controversy) adjective [UK: ˌkɒn.trə.ˈvɜːʃ.l̩] [US: ˌkɑːn.trə.ˈvɝː.ʃl̩]This idea is controversial. = Cette idée est controversée.
contentious◼◼◻(marked by controversy) adjective [UK: kən.ˈten.ʃəs] [US: kən.ˈten.ʃəs]
vexed◼◻◻(much debated, discussed or disputed) adjective [UK: vekst] [US: ˈvekst]