He became more 'argumentative' during the debate.
an 'argumentative' person
an 'argumentative' essay
(..) - Was he doing something suspicious? - Yes, sir, - He made an illegal turn, - That was the reason? - And no other reason? - I object, Your Honor, It's argumentative, - Sustained, - No further questions, This isn't looking good, Let's not give up now, We gotta have the faith (..)1994 The Glass Shield