Contentious | Mean of contentious in English Dictionary

/kənˈtɛnʃəs/

• likely to cause people to argue or disagree
1. I think it's wise to avoid such a highly contentious [=controversial] topic/issue at a dinner party.
• involving a lot of arguing
1. After a contentious debate, members of the committee finally voted to approve the funding.
2. They have a contentious relationship. [=they argue with each other a lot]
• likely or willing to argue
1. a contentious student
2. The dispute involves one of the region's most contentious leaders.