argumentative

adjective
  1. Having a tendency to argue or engage in disputes; often expressing or characterized by disagreement or contentiousness. adjective
    She became argumentative when he challenged her opinion.
    His argumentative nature often led to heated debates with his friends.
  2. Relating to or characterized by argument; involving or given to expressing divergent or opposite views. adjective
    The essay was written in an argumentative style, presenting both sides of the issue.
    The lawyer's argumentative skills were evident during the cross-examination.