A disputed subject is a topic or ISSUE that is the subject of disagreement or debate. It is often a matter of opinion, and can be controversial in nature. An example of a disputed subject is the ISSUE of gun control. This term can also refer to a legal dispute between two parties, such as a court case. The term 'ISSUE' is a synonym for 'disputed subject' and is defined as a problem or matter that is open to discussion or debate.