There are several synonyms for the term "young-adult," which refers to the age group between adolescence and adulthood. Some common synonyms for young-adult include the terms youth, teen, young person, millennial, and emerging adult. Each of these synonyms highlights different aspects of this age group, such as their energy, enthusiasm, and developing sense of identity. Additionally, these synonyms can be useful for writers, educators, and marketers who are targeting the young-adult demographic, as they can help to create a more personalized message or product that appeals to this audience specifically. Overall, the term young-adult and its synonyms are vital for understanding this dynamic stage of life.