You certainly have a right to cheer for your team but try not to become too _____ and unruly
partisan?
You told me partisan was wrong but its my only word left
3 answers
Although it could possibly be partisan, boisterous is much better.
I used boisterous for The crowd is so boisterous that the umpire is booed every time he makes a decision against the home team
OK. Maybe partisan is the best word for the team sentence.