Misery head is a term used to describe a person who is always miserable and unhappy. However, there are many different synonyms that can be used to describe someone who has this type of personality. Some of the most common synonyms for misery head include pessimist, sourpuss, grump, grouch, curmudgeon, and malcontent. Each of these words describes a person who is generally unhappy, negative, and difficult to be around. While there are certainly people who suffer from chronic depression and other mental health issues that can genuinely make them unhappy, there are also many people who simply choose to see the negative in everything. For those individuals, being called a misery head may be an accurate description of their general demeanor.