confrontational(Pertaining to a confrontation; characterized by, or given to initiating hostile encounter; in-your-face) adjective [UK: ˌkɒn.frʌn.ˈteɪ.ʃnl̩] [US: ˌkɑːn.frən.ˈteɪʃ.n̩əl]
contentious(given to struggling) adjective [UK: kən.ˈten.ʃəs] [US: kən.ˈten.ʃəs]