"Musses" is a rather uncommon word that is often used to describe a specific type of haircut. Some synonyms for "musses" include disheveled, tousled, unkempt, mussed up, messy, and windswept. These words all describe a similar appearance of messy or unstyled hair that can sometimes be intentional as a fashionable trend. Other synonyms for "musses" could include bedhead or wild hair, which also convey a similar idea of unkempt locks. Overall, while "musses" may not be a common word, there are many synonyms available to describe the hairstyle it represents.