A disagreeable person is often unpleasant and difficult to deal with. There are several synonyms for such a person, including the term 'unpleasant' itself, which is a broad term used to describe anyone who might be disagreeable. Other similar phrases include 'difficult person', 'ill-tempered person', 'grumpy person', 'obnoxious person', and 'irritable person'. These words all describe someone who might be unpleasant to be around or who might make others feel uncomfortable. Some other words used to describe a disagreeable person include 'uncooperative', 'argumentative', 'combative', 'temperamental', and 'confrontational.' Ultimately, anyone who is difficult to get along with might be described as a disagreeable person.