The term "attitude problem" is often used to describe someone who has a negative or difficult personality. However, there are many synonyms that can be used to describe this type of behavior. Some alternative phrases include a bad attitude, a difficult demeanor, a negative outlook, a confrontational disposition, a disagreeable personality, a sour demeanor, a challenging demeanor, or a combative disposition. All of these terms refer to someone who displays behavior that is difficult to interact with or creates tension in the workplace or social situations. It's important to note that these phrases should be used carefully and with tact to avoid offending the individual in question.